| **Condensed Consolidating Financial Information - Cash Flow Statement Tables (Details) (USD $)In Millions, unless otherwise specified** | 9 Months Ended |
|-----------------------------------------------------------------------------------------------------------------------------------------|----------------|
||
| **Condensed Consolidating Statements of Cash Flows**                                                                                    |           |   |
| Net cash provided by operating activities                                                                                               | $ 369.4        | $ 302.2 |
| **Cash flows from investing activities:**                                                                                               |           |   |
| Purchases of property and equipment                                                                                                     | (166.8)        | (112.5) |
| Capitalized software costs                                                                                                              | (15.6)         | (15.7) |
| Acquisition of business, net of cash acquired                                                                                           | (28.9)         | (3.1) |
| Proceeds from sale of restricted investments                                                                                            | 16.9           | 0.3 |
| Proceeds from sale of Digital Hospital                                                                                                  | 10.8           | 0 |
| Purchase of restricted investments                                                                                                      | (8.1)          | (8.6) |
| Net change in restricted cash                                                                                                           | (3.9)          | 7.6 |
| Other                                                                                                                                   | (1.6)          | 0 |
| Net cash provided by investing activities of discontinued operations                                                                    | 0              | 7.7 |
| Net cash used in investing activities                                                                                                   | (197.2)        | (124.3) |
| **Cash flows from financing activities:**                                                                                               |           |   |
| Principal payments on debt, including pre-payments                                                                                      | (2.5)          | (101.3) |
| Principal borrowings on notes                                                                                                           | 15.2           | 0 |
| Proceeds from bond issuance                                                                                                             | 0              | 275.0 |
| Borrowings on revolving credit facility                                                                                                 | 147.0          | 135.0 |
| Payments on revolving credit facility                                                                                                   | (112.0)        | (245.0) |
| Principal payments under capital lease obligations                                                                                      | (8.6)          | (8.9) |
| Repurchase of common stock, including fees and expenses                                                                                 | (234.1)        | 0 |
| Repurchase of convertible perpetual preferred stock                                                                                     | 0              | (46.0) |
| Debt issue costs                                                                                                                        | (1.2)          | (7.0) |
| Dividends paid on convertible perpetual preferred stock                                                                                 | (17.2)         | (18.9) |
| Distributions paid to noncontrolling interests of consolidated affiliates                                                               | (34.1)         | (37.6) |
| Contributions from consolidated affiliates                                                                                              | 0              | 9.5 |
| Proceeds from exercising stock options                                                                                                  | 7.5            | 0.4 |
| Change in intercompany advances                                                                                                         | 0              | 0 |
| Net cash used in financing activities                                                                                                   | (240.0)        | (44.8) |
| (Decrease) increase in cash and cash equivalents                                                                                        | (67.8)         | 133.1 |
| Cash and cash equivalents at beginning of period                                                                                        | 132.8          | 30.1 |
| Cash and cash equivalents at end of period                                                                                              | 65.0           | 163.2 |
| **Condensed Consolidating Financial Information (Textual) [Abstract]**                                                                  |           |   |
| HealthSouth ownership percentage of subsidiary guarantors                                                                               | 100.00%        |   |
| HealthSouth Corporation [Member]                                                                                                        |           |   |
| **Condensed Consolidating Statements of Cash Flows**                                                                                    |           |   |
| Net cash provided by operating activities                                                                                               | 70.9           | 21.2 |
| **Cash flows from investing activities:**                                                                                               |           |   |
| Purchases of property and equipment                                                                                                     | (5.2)          | (3.3) |
| Capitalized software costs                                                                                                              | (4.8)          | (9.5) |
| Acquisition of business, net of cash acquired                                                                                           | 0              | 0 |
| Proceeds from sale of restricted investments                                                                                            | 0              | 0 |
| Proceeds from sale of Digital Hospital                                                                                                  | 10.8           |   |
| Purchase of restricted investments                                                                                                      | 0              | 0 |
| Net change in restricted cash                                                                                                           | (0.2)          | (0.1) |
| Other                                                                                                                                   | 0              | (0.1) |
| Net cash provided by investing activities of discontinued operations                                                                    |           | 0 |
| Net cash used in investing activities                                                                                                   | 0.6            | (13.0) |
| **Cash flows from financing activities:**                                                                                               |           |   |
| Principal payments on debt, including pre-payments                                                                                      | (1.5)          | (100.4) |
| Principal borrowings on notes                                                                                                           | 0              | 7.3 |
| Proceeds from bond issuance                                                                                                             |           | 275.0 |
| Borrowings on revolving credit facility                                                                                                 | 147.0          | 135.0 |
| Payments on revolving credit facility                                                                                                   | (112.0)        | (245.0) |
| Principal payments under capital lease obligations                                                                                      | (0.2)          | (0.2) |
| Repurchase of common stock, including fees and expenses                                                                                 | (234.1)        |   |
| Repurchase of convertible perpetual preferred stock                                                                                     |           | (46.0) |
| Debt issue costs                                                                                                                        | (1.2)          | (7.0) |
| Dividends paid on convertible perpetual preferred stock                                                                                 | (17.2)         | (18.9) |
| Distributions paid to noncontrolling interests of consolidated affiliates                                                               | 0              | 0 |
| Contributions from consolidated affiliates                                                                                              |           | 0 |
| Proceeds from exercising stock options                                                                                                  | 7.5            | 0.4 |
| Change in intercompany advances                                                                                                         | 70.5           | 124.7 |
| Net cash used in financing activities                                                                                                   | (141.2)        | 124.9 |
| (Decrease) increase in cash and cash equivalents                                                                                        | (69.7)         | 133.1 |
| Cash and cash equivalents at beginning of period                                                                                        | 131.3          | 26.0 |
| Cash and cash equivalents at end of period                                                                                              | 61.6           | 159.1 |
| Guarantor Subsidiaries [Member]                                                                                                         |           |   |
| **Condensed Consolidating Statements of Cash Flows**                                                                                    |           |   |
| Net cash provided by operating activities                                                                                               | 215.6          | 182.6 |
| **Cash flows from investing activities:**                                                                                               |           |   |
| Purchases of property and equipment                                                                                                     | (142.3)        | (76.3) |
| Capitalized software costs                                                                                                              | (7.6)          | (3.2) |
| Acquisition of business, net of cash acquired                                                                                           | (28.9)         | (3.1) |
| Proceeds from sale of restricted investments                                                                                            | 0              | 0 |
| Proceeds from sale of Digital Hospital                                                                                                  | 0              |   |
| Purchase of restricted investments                                                                                                      | 0              | 0 |
| Net change in restricted cash                                                                                                           | 0              | 0 |
| Other                                                                                                                                   | (1.0)          | (0.1) |
| Net cash provided by investing activities of discontinued operations                                                                    |           | 3.3 |
| Net cash used in investing activities                                                                                                   | (179.8)        | (79.4) |
| **Cash flows from financing activities:**                                                                                               |           |   |
| Principal payments on debt, including pre-payments                                                                                      | (1.0)          | (0.9) |
| Principal borrowings on notes                                                                                                           | 0              | 0 |
| Proceeds from bond issuance                                                                                                             |           | 0 |
| Borrowings on revolving credit facility                                                                                                 | 0              | 0 |
| Payments on revolving credit facility                                                                                                   | 0              | 0 |
| Principal payments under capital lease obligations                                                                                      | (5.7)          | (6.6) |
| Repurchase of common stock, including fees and expenses                                                                                 | 0              |   |
| Repurchase of convertible perpetual preferred stock                                                                                     |           | 0 |
| Debt issue costs                                                                                                                        | 0              | 0 |
| Dividends paid on convertible perpetual preferred stock                                                                                 | 0              | 0 |
| Distributions paid to noncontrolling interests of consolidated affiliates                                                               | 0              | 0 |
| Contributions from consolidated affiliates                                                                                              |           | 0 |
| Proceeds from exercising stock options                                                                                                  | 0              | 0 |
| Change in intercompany advances                                                                                                         | (27.5)         | (95.0) |
| Net cash used in financing activities                                                                                                   | (34.2)         | (102.5) |
| (Decrease) increase in cash and cash equivalents                                                                                        | 1.6            | 0.7 |
| Cash and cash equivalents at beginning of period                                                                                        | 0.3            | 1.3 |
| Cash and cash equivalents at end of period                                                                                              | 1.9            | 2.0 |
| Non-Guarantor Subsidiaries [Member]                                                                                                     |           |   |
| **Condensed Consolidating Statements of Cash Flows**                                                                                    |           |   |
| Net cash provided by operating activities                                                                                               | 82.9           | 99.1 |
| **Cash flows from investing activities:**                                                                                               |           |   |
| Purchases of property and equipment                                                                                                     | (19.3)         | (32.9) |
| Capitalized software costs                                                                                                              | (3.2)          | (3.0) |
| Acquisition of business, net of cash acquired                                                                                           | 0              | 0 |
| Proceeds from sale of restricted investments                                                                                            | 16.9           | 0.3 |
| Proceeds from sale of Digital Hospital                                                                                                  | 0              |   |
| Purchase of restricted investments                                                                                                      | (8.1)          | (8.6) |
| Net change in restricted cash                                                                                                           | (3.7)          | 7.7 |
| Other                                                                                                                                   | (0.6)          | 0.2 |
| Net cash provided by investing activities of discontinued operations                                                                    |           | 4.4 |
| Net cash used in investing activities                                                                                                   | (18.0)         | (31.9) |
| **Cash flows from financing activities:**                                                                                               |           |   |
| Principal payments on debt, including pre-payments                                                                                      | 0              | 0 |
| Principal borrowings on notes                                                                                                           | 15.2           | (7.3) |
| Proceeds from bond issuance                                                                                                             |           | 0 |
| Borrowings on revolving credit facility                                                                                                 | 0              | 0 |
| Payments on revolving credit facility                                                                                                   | 0              | 0 |
| Principal payments under capital lease obligations                                                                                      | (2.7)          | (2.1) |
| Repurchase of common stock, including fees and expenses                                                                                 | 0              |   |
| Repurchase of convertible perpetual preferred stock                                                                                     |           | 0 |
| Debt issue costs                                                                                                                        | 0              | 0 |
| Dividends paid on convertible perpetual preferred stock                                                                                 | 0              | 0 |
| Distributions paid to noncontrolling interests of consolidated affiliates                                                               | (34.1)         | (37.6) |
| Contributions from consolidated affiliates                                                                                              |           | 9.5 |
| Proceeds from exercising stock options                                                                                                  | 0              | 0 |
| Change in intercompany advances                                                                                                         | (43.0)         | (30.4) |
| Net cash used in financing activities                                                                                                   | (64.6)         | (67.9) |
| (Decrease) increase in cash and cash equivalents                                                                                        | 0.3            | (0.7) |
| Cash and cash equivalents at beginning of period                                                                                        | 1.2            | 2.8 |
| Cash and cash equivalents at end of period                                                                                              | 1.5            | 2.1 |
| Eliminating Entries [Member]                                                                                                            |           |   |
| **Condensed Consolidating Statements of Cash Flows**                                                                                    |           |   |
| Net cash provided by operating activities                                                                                               | 0              | (0.7) |
| **Cash flows from investing activities:**                                                                                               |           |   |
| Purchases of property and equipment                                                                                                     | 0              | 0 |
| Capitalized software costs                                                                                                              | 0              | 0 |
| Acquisition of business, net of cash acquired                                                                                           | 0              | 0 |
| Proceeds from sale of restricted investments                                                                                            | 0              | 0 |
| Proceeds from sale of Digital Hospital                                                                                                  | 0              |   |
| Purchase of restricted investments                                                                                                      | 0              | 0 |
| Net change in restricted cash                                                                                                           | 0              | 0 |
| Other                                                                                                                                   | 0              | 0 |
| Net cash provided by investing activities of discontinued operations                                                                    |           | 0 |
| Net cash used in investing activities                                                                                                   | 0              | 0 |
| **Cash flows from financing activities:**                                                                                               |           |   |
| Principal payments on debt, including pre-payments                                                                                      | 0              | 0 |
| Principal borrowings on notes                                                                                                           | 0              | 0 |
| Proceeds from bond issuance                                                                                                             |           | 0 |
| Borrowings on revolving credit facility                                                                                                 | 0              | 0 |
| Payments on revolving credit facility                                                                                                   | 0              | 0 |
| Principal payments under capital lease obligations                                                                                      | 0              | 0 |
| Repurchase of common stock, including fees and expenses                                                                                 | 0              |   |
| Repurchase of convertible perpetual preferred stock                                                                                     |           | 0 |
| Debt issue costs                                                                                                                        | 0              | 0 |
| Dividends paid on convertible perpetual preferred stock                                                                                 | 0              | 0 |
| Distributions paid to noncontrolling interests of consolidated affiliates                                                               | 0              | 0 |
| Contributions from consolidated affiliates                                                                                              |           | 0 |
| Proceeds from exercising stock options                                                                                                  | 0              | 0 |
| Change in intercompany advances                                                                                                         | 0              | 0.7 |
| Net cash used in financing activities                                                                                                   | 0              | 0.7 |
| (Decrease) increase in cash and cash equivalents                                                                                        | 0              | 0 |
| Cash and cash equivalents at beginning of period                                                                                        | 0              | 0 |
| Cash and cash equivalents at end of period                                                                                              | $ 0            | $ 0 |

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HealthSouth's ownership percentage in its guarantor subsidiaries.
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Additions made to capitalized computer software costs during the period.
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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.
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| - Definition
Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Includes effect from exchange rate changes.
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| - Definition
Amount of cash inflow (outflow) of investing activities of discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.
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The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities.
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Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.
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Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.
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| - Definition
Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.
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| - Definition
The net cash outflow or inflow from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.
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| - Definition
The cash outflow to reacquire common stock during the period.
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| - Definition
The cash outflow to reacquire preferred stock originally issued and identified as a security that can be exchanged for another type of financial security. This repurchased stock is held in treasury.
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.
+ References
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| - Definition
Amount of cash outflow in the form of ordinary dividends provided by the non-wholly owned subsidiary to noncontrolling interests.
+ References
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.
+ References
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
+ References
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash outflow to acquire investments (not to include restricted cash) that are pledged or subject to withdrawal restrictions.
+ References
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|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash inflow from an entity that is affiliated with the entity by means of direct or indirect ownership.
+ References
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|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).
+ References
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|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.
+ References
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| - Definition
The cash inflow from a borrowing supported by a written promise to pay an obligation.
+ References
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| - Definition
Amount of cash inflow (outflow) from long-term debt by a related party. Related parties, include, but are not limited to, affiliates, owners or officers and their immediate families, and pension trusts.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.
+ References
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash inflow associated with the sale of investments that are pledged or subject to withdrawal restrictions during the period.
+ References
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| - Definition
The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.
+ References
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer).
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.
+ References
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|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer.
+ References
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