| **Condensed Consolidating Financial Information (Tables)**                       | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    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| **Condensed Financial Information of Parent Company Only Disclosure [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             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| Condensed Consolidating Statement of Operations                                  |            For the Year Ended December 31, 2016 HealthSouth Corporation Guarantor Subsidiaries Nonguarantor Subsidiaries Eliminating Entries HealthSouth Consolidated (In Millions)Net operating revenues$20.1 $2,190.3 $1,614.7 $(117.9) $3,707.2Less: Provision for doubtful accounts— (42.2) (19.0) — (61.2)Net operating revenues less provision for doubtful accounts20.1 2,148.1 1,595.7 (117.9) 3,646.0Operating expenses:         Salaries and benefits45.5 1,013.7 945.0 (18.3) 1,985.9Other operating expenses25.5 313.2 199.7 (46.3) 492.1Occupancy costs2.9 89.8 31.9 (53.3) 71.3Supplies— 90.7 49.3 — 140.0General and administrative expenses126.7 — 6.7 — 133.4Depreciation and amortization9.4 103.6 59.6 — 172.6Professional fees—accounting, tax, and legal1.9 — — — 1.9Total operating expenses211.9 1,611.0 1,292.2 (117.9) 2,997.2Loss on early extinguishment of debt7.4 — — — 7.4Interest expense and amortization of debt discounts and fees147.3 21.6 23.1 (19.9) 172.1Other income(19.6) (0.4) (2.8) 19.9 (2.9)Equity in net income of nonconsolidated affiliates— (9.0) (0.8) — (9.8)Equity in net income of consolidated affiliates(348.3) (38.3) — 386.6 —Management fees(136.2) 104.0 32.2 — —Income from continuing operations before income tax (benefit) expense 157.6 459.2 251.8 (386.6) 482.0Provision for income tax (benefit) expense(90.0) 183.3 70.6 — 163.9Income from continuing operations247.6 275.9 181.2 (386.6) 318.1Income from discontinued operations, net of tax— — — — —Net income247.6 275.9 181.2 (386.6) 318.1Less: Net income attributable to noncontrolling interests— — (70.5) — (70.5)Net income attributable to HealthSouth$247.6 $275.9 $110.7 $(386.6) $247.6Comprehensive income$247.6 $275.9 $181.2 $(386.6) $318.1Comprehensive income attributable to HealthSouth$247.6 $275.9 $110.7 $(386.6) $247.6           For the Year Ended December 31, 2015 HealthSouth Corporation Guarantor Subsidiaries Nonguarantor Subsidiaries Eliminating Entries HealthSouth Consolidated (In Millions)Net operating revenues$19.4 $1,889.2 $1,357.8 $(103.5) $3,162.9Less: Provision for doubtful accounts— (33.9) (13.3) — (47.2)Net operating revenues less provision for doubtful accounts19.4 1,855.3 1,344.5 (103.5) 3,115.7Operating expenses:         Salaries and benefits49.4 874.0 764.5 (17.1) 1,670.8Other operating expenses31.3 269.2 172.9 (41.3) 432.1Occupancy costs4.0 66.9 28.1 (45.1) 53.9Supplies— 83.6 45.1 — 128.7General and administrative expenses128.3 — 5.0 — 133.3Depreciation and amortization9.9 83.6 46.2 — 139.7Government, class action, and related settlements7.5 — — — 7.5Professional fees—accounting, tax, and legal3.0 — — — 3.0Total operating expenses233.4 1,377.3 1,061.8 (103.5) 2,569.0Loss on early extinguishment of debt22.4 — — — 22.4Interest expense and amortization of debt discounts and fees130.0 11.2 13.1 (11.4) 142.9Other income(13.6) (0.2) (3.1) 11.4 (5.5)Equity in net income of nonconsolidated affiliates— (8.5) (0.2) — (8.7)Equity in net income of consolidated affiliates(321.5) (37.5) — 359.0 —Management fees(119.7) 89.7 30.0 — —Income from continuing operations before income tax (benefit) expense 88.4 423.3 242.9 (359.0) 395.6Provision for income tax (benefit) expense(95.8) 168.9 68.8 — 141.9Income from continuing operations184.2 254.4 174.1 (359.0) 253.7(Loss) income from discontinued operations, net of tax(1.1) — 0.2 — (0.9)Net income183.1 254.4 174.3 (359.0) 252.8Less: Net income attributable to noncontrolling interests— — (69.7) — (69.7)Net income attributable to HealthSouth$183.1 $254.4 $104.6 $(359.0) $183.1Comprehensive income$182.4 $254.4 $174.3 $(359.0) $252.1Comprehensive income attributable to HealthSouth$182.4 $254.4 $104.6 $(359.0) $182.4           For the Year Ended December 31, 2014 HealthSouth Corporation Guarantor Subsidiaries Nonguarantor Subsidiaries Eliminating Entries HealthSouth Consolidated (In Millions)Net operating revenues$16.1 $1,683.4 $796.8 $(90.4) $2,405.9Less: Provision for doubtful accounts— (21.8) (9.8) — (31.6)Net operating revenues less provision for doubtful accounts16.1 1,661.6787(90.4) 2,374.3Operating expenses:        Salaries and benefits22.3 776.6 377.9 (15.1) 1,161.7Other operating expenses21.6 240.7 126.1 (36.8) 351.6Occupancy costs4.2 55.7 20.2 (38.5) 41.6Supplies— 77.0 34.9 — 111.9General and administrative expenses124.8 — — — 124.8Depreciation and amortization9.7 71.0 27.0 — 107.7Government, class action, and related settlements(1.7) — — — (1.7)Professional fees—accounting, tax, and legal9.3 — — — 9.3Total operating expenses190.2 1,221.0586.1(90.4) 1,906.9Loss on early extinguishment of debt13.2 — — — 13.2Interest expense and amortization of debt discounts and fees99.8 7.8 2.8 (1.2) 109.2Other income(0.7) (28.5) (3.2) 1.2 (31.2)Equity in net income of nonconsolidated affiliates— (10.7) — — (10.7)Equity in net income of consolidated affiliates(313.2) (32.5) — 345.7 —Management fees(107.9) 80.3 27.6 — —Income from continuing operations before income tax (benefit) expense134.7 424.2173.7(345.7) 386.9Provision for income tax (benefit) expense(81.6) 147.5 44.8 — 110.7Income from continuing operations216.3 276.7128.9(345.7) 276.2Income (loss) from discontinued operations, net of tax5.7 — (0.2) — 5.5Net income222.0 276.7128.7(345.7) 281.7Less: Net income attributable to noncontrolling interests— — (59.7) — (59.7)Net income attributable to HealthSouth$222.0 $276.7$69.0$(345.7) $222.0Comprehensive income$221.6 $276.7 $128.7 $(345.7) $281.3Comprehensive income attributable to HealthSouth$221.6 $276.7 $69.0 $(345.7) $221.6                                                                                                                                                                                                                                                                                                                                                                                         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| Condensed Consolidating Balance Sheet                                            |            As of December 31, 2016 HealthSouth Corporation Guarantor Subsidiaries Nonguarantor Subsidiaries Eliminating Entries HealthSouth Consolidated (In Millions)Assets         Current assets:         Cash and cash equivalents$20.6 $1.6 $18.3 $— $40.5Restricted cash— — 60.9 — 60.9Accounts receivable, net— 276.5 167.3 — 443.8Prepaid expenses and other current assets49.9 24.2 53.8 (18.6) 109.3Total current assets70.5 302.3300.3(18.6) 654.5Property and equipment, net41.6 987.3 362.9 — 1,391.8Goodwill— 860.6 1,066.6 — 1,927.2Intangible assets, net12.0 115.6 283.7 — 411.3Deferred income tax assets90.9 57.6 — (72.7) 75.8Other long-term assets49.0 95.1 77.2 — 221.3Intercompany notes receivable528.8 — — (528.8) —Intercompany receivable and investments in consolidated affiliates2,855.5 96.3 — (2,951.8) —Total assets$3,648.3 $2,514.8$2,090.7$(3,571.9) $4,681.9Liabilities and Shareholders’ Equity         Current liabilities:        Current portion of long-term debt$40.0 $6.4 $8.2 $(17.5) $37.1Accounts payable7.0 37.4 23.9 — 68.3Accrued payroll31.6 57.9 57.8 — 147.3Accrued interest payable22.8 2.8 0.2 — 25.8Other current liabilities96.3 21.6 80.3 (1.1) 197.1Total current liabilities197.7 126.1170.4(18.6) 475.6Long-term debt, net of current portion2,679.2 248.9 51.2 — 2,979.3Intercompany notes payable— — 528.8 (528.8) —Self-insured risks14.1 — 96.3 — 110.4Other long-term liabilities21.4 15.2 85.3 (72.3) 49.6Intercompany payable— — 168.2 (168.2) — 2,912.4 390.21,100.2(787.9) 3,614.9Commitments and contingencies    Redeemable noncontrolling interests— — 138.3 — 138.3Shareholders’ equity:        HealthSouth shareholders’ equity735.9 2,124.6 659.4 (2,784.0) 735.9Noncontrolling interests— — 192.8 — 192.8Total shareholders’ equity735.9 2,124.6852.2(2,784.0) 928.7Total liabilities and shareholders’ equity$3,648.3 $2,514.8$2,090.7$(3,571.9) $4,681.9           As of December 31, 2015 HealthSouth Corporation Guarantor Subsidiaries Nonguarantor Subsidiaries Eliminating Entries HealthSouth Consolidated (In Millions)Assets         Current assets:         Cash and cash equivalents$41.2 $1.2 $19.2 $— $61.6Restricted cash— — 45.9 — 45.9Accounts receivable, net— 261.5 149.0 — 410.5Prepaid expenses and other current assets29.3 22.2 48.0 (18.8) 80.7Total current assets70.5 284.9262.1(18.8) 598.7Property and equipment, net14.5 988.4 307.2 — 1,310.1Goodwill— 860.7 1,029.4 — 1,890.1Intangible assets, net8.8 122.4 288.2 — 419.4Deferred income tax assets176.2 64.1 — (49.5) 190.8Other long-term assets48.6 75.3 73.1 — 197.0Intercompany notes receivable546.6 — — (546.6) —Intercompany receivable and investments in consolidated affiliates2,779.7 — — (2,779.7) —Total assets$3,644.9 $2,395.8$1,960.0$(3,394.6) $4,606.1Liabilities and Shareholders’ Equity        Current liabilities:        Current portion of long-term debt$40.0 $6.8 $7.5 $(17.5) $36.8Accounts payable5.8 35.4 20.4 — 61.6Accrued payroll27.7 50.1 48.4 — 126.2Accrued interest payable26.5 2.9 0.3 — 29.7Other current liabilities68.0 18.8 86.6 (1.3) 172.1Total current liabilities168.0 114.0163.2(18.8) 426.4Long-term debt, net of current portion2,821.9 255.6 57.2 — 3,134.7Intercompany notes payable— — 546.6 (546.6) —Self-insured risks19.8 — 81.8 — 101.6Other long-term liabilities23.8 12.3 56.0 (49.1) 43.0Intercompany payable— 156.7 157.5 (314.2) — 3,033.5 538.61,062.3(928.7) 3,705.7Commitments and contingencies    Redeemable noncontrolling interests— — 121.1 — 121.1Shareholders’ equity:        HealthSouth shareholders’ equity611.4 1,857.2 608.7 (2,465.9) 611.4Noncontrolling interests— — 167.9 — 167.9Total shareholders’ equity611.4 1,857.2776.6(2,465.9) 779.3Total liabilities and shareholders’ equity$3,644.9 $2,395.8$1,960.0$(3,394.6) $4,606.1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             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| Condensed Consolidating Statement of Cash Flows                                  |  For the Year Ended December 31, 2016 HealthSouth Corporation Guarantor Subsidiaries Nonguarantor Subsidiaries Eliminating Entries HealthSouth Consolidated (In Millions)Net cash provided by operating activities$35.8 $331.8 $237.9 $— $605.5Cash flows from investing activities:         Acquisition of businesses, net of cash acquired— — (48.1) — (48.1)Purchases of property and equipment(21.8) (77.8) (78.1) — (177.7)Capitalized software costs(22.8) (0.2) (2.2) — (25.2)Proceeds from disposal of assets— 0.7 23.2 — 23.9Purchases of restricted investments— — (1.3) — (1.3)Net change in restricted cash— — (15.1) — (15.1)Funding of intercompany note receivable(22.5) — — 22.5 —Proceeds from repayment of intercompany note receivable52.0 — — (52.0) —Other(3.7) (0.2) 2.3 — (1.6)Net cash provided by investing activities of discontinued operations0.1 — — — 0.1Net cash used in investing activities(18.7) (77.5)(119.3)(29.5)(245.0)Cash flows from financing activities:        Principal payments on debt, including pre-payments(198.5) (1.3) (2.3) — (202.1)Principal borrowings on intercompany note payable— — 22.5 (22.5) —Principal payments on intercompany note payable— — (52.0) 52.0 —Borrowings on revolving credit facility335.0 — — — 335.0Payments on revolving credit facility(313.0) — — — (313.0)Principal payments under capital lease obligations(0.1) (5.9) (7.3) — (13.3)Repurchases of common stock, including fees and expenses(65.6) — — — (65.6)Dividends paid on common stock(83.8) — — — (83.8)Distributions paid to noncontrolling interests of consolidated affiliates— — (64.9) — (64.9)Windfall tax benefit from share-based compensation17.3 — — — 17.3Other6.9 — 1.9 — 8.8Change in intercompany advances264.1 (246.7) (17.4) — —Net cash provided by (used in) financing activities(37.7) (253.9)(119.5)29.5 (381.6)(Decrease) increase in cash and cash equivalents(20.6) 0.4(0.9)— (21.1)Cash and cash equivalents at beginning of year41.2 1.2 19.2 — 61.6Cash and cash equivalents at end of year$20.6 $1.6$18.3$— $40.5          Supplemental schedule of noncash investing activity:         Intercompany note activity (11.7) — 11.7 — — For the Year Ended December 31, 2015 HealthSouth Corporation Guarantor Subsidiaries Nonguarantor Subsidiaries Eliminating Entries HealthSouth Consolidated (In Millions)Net cash provided by operating activities$41.4 $218.9 $224.5 $— $484.8Cash flows from investing activities:         Acquisition of businesses, net of cash acquired(954.6) — (30.5) — (985.1)Purchases of property and equipment(15.9) (62.3) (50.2) — (128.4)Capitalized software costs(24.5) (0.4) (3.2) — (28.1)Proceeds from disposal of assets— 3.5 0.5 — 4.0Proceeds from sale of marketable securities12.8 — — — 12.8Purchases of restricted investments— — (7.1) — (7.1)Net change in restricted cash— — 2.7 — 2.7Funding of intercompany note receivable(2.0) — — 2.0 —Proceeds from repayment of intercompany note receivable24.0 — — (24.0) —Other(0.5) (1.9) 1.3 — (1.1)Net cash provided by investing activities of discontinued operations0.5 — — — 0.5Net cash used in investing activities(960.2) (61.1) (86.5) (22.0) (1,129.8)Cash flows from financing activities:        Principal borrowings on term loan facilities250.0 — — — 250.0Proceeds from bond issuance1,400.0 — — — 1,400.0Principal payments on debt, including pre-payments(595.0) (1.6) (0.8) — (597.4)Principal borrowings on intercompany notes payable— — 2.0 (2.0) —Principal payments on intercompany notes payable— — (24.0) 24.0 —Borrowings on revolving credit facility540.0 — — — 540.0Payments on revolving credit facility(735.0) — — — (735.0)Debt amendment and issuance costs(31.9) — — — (31.9)Principal payments under capital lease obligations(0.3) (4.5) (6.2) — (11.0)Repurchases of common stock, including fees and expenses(45.3) — — — (45.3)Dividends paid on common stock(77.2) — — — (77.2)Dividends paid on convertible perpetual preferred stock(3.1) — — — (3.1)Distributions paid to noncontrolling interests of consolidated affiliates— — (54.4) — (54.4)Other2.2 1.5 1.5 — 5.2Change in intercompany advances213.7 (153.4) (60.3) — —Net cash provided by (used in) financing activities918.1 (158.0)(142.2)22.0 639.9Decrease in cash and cash equivalents(0.7) (0.2)(4.2)— (5.1)Cash and cash equivalents at beginning of year41.9 1.4 23.4 — 66.7Cash and cash equivalents at end of year$41.2 $1.2$19.2$— $61.6          Supplemental schedule of noncash financing activities:         Conversion of preferred stock to common stock$93.2 $— $— $— $93.2Intercompany note activity (183.5) — 183.5 — — For the Year Ended December 31, 2014 HealthSouth Corporation Guarantor Subsidiaries Nonguarantor Subsidiaries Eliminating Entries HealthSouth Consolidated (In Millions)Net cash provided by operating activities$22.8 $261.6 $160.5 $— $444.9Cash flows from investing activities:         Acquisition of businesses, net of cash acquired(674.6) — (20.2) — (694.8)Purchases of property and equipment(15.6) (127.9) (27.4) — (170.9)Capitalized software costs(8.6) (1.4) (7.0) — (17.0)Proceeds from disposal of assets— 0.1 0.1 — 0.2Purchases of restricted investments— — (3.5) — (3.5)Net change in restricted cash1.0 — 5.8 — 6.8Other— (0.8) 3.1 — 2.3Net cash used in investing activities(697.8) (130.0)(49.1)— (876.9)Cash flows from financing activities:        Principal borrowings on term loan facilities450.0 — — — 450.0Proceeds from bond issuance175.0 — — — 175.0Principal payments on debt, including pre-payments(298.0) (1.5) (3.1) — (302.6)Borrowings on revolving credit facility440.0 — — — 440.0Payments on revolving credit facility(160.0) — — — (160.0)Principal payments under capital lease obligations(0.3) (2.5) (3.3) — (6.1)Debt amendment and issuance costs(6.5) — — — (6.5)Repurchases of common stock, including fees and expenses(43.1) — — — (43.1)Dividends paid on common stock(65.8) — — — (65.8)Dividends paid on convertible perpetual preferred stock(6.3) — — — (6.3)Distributions paid to noncontrolling interests of consolidated affiliates— — (54.1) — (54.1)Other13.7 — — — 13.7Change in intercompany advances157.7 (128.4) (29.3) — —Net cash provided by (used in) financing activities656.4 (132.4)(89.8)— 434.2(Decrease) increase in cash and cash equivalents(18.6) (0.8)21.6— 2.2Cash and cash equivalents at beginning of year60.5 2.2 1.8 — 64.5Cash and cash equivalents at end of year$41.9 $1.4$23.4$— $66.7          Supplemental schedule of noncash financing activities:         Equity rollover from Encompass management$— $— $64.5 $— $64.5 |

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