| **Business Combinations Business Combinations - Table 4 (Details) - USD ($) $ in Millions** | 3 Months Ended | 9 Months Ended |
|---------------------------------------------------------------------------------------------|----------------|----------------|
||
| **Business Acquisition [Line Items]**                                                       |           |           |   |   |
| Net cash paid for acquisition                                                               |           |           | $ 87.1 | $ 15.9 |
| Home Health and Hospice [Member]                                                            |           |           |   |   |
| **Business Acquisition [Line Items]**                                                       |           |           |   |   |
| Fair value of assets acquired                                                               | $ 1.9          | $ 0.0          | 10.4 | 0.0 |
| Goodwill                                                                                    | 7.5            | 0.0            | 20.3 | 0.0 |
| Fair value of liabilities assumed                                                           | (0.1)          | 0.0            | (0.2) | 0.0 |
| Net cash paid for acquisition                                                               | $ 9.3          | $ 0.0          | $ 30.5 | $ 0.0 |

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| - Definition
Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
+ References
No definition available.
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| - Definition
The fair value of assets acquired in noncash investing or financing activities.
+ References
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| - Definition
Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.
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| - Definition
The total amount of [all] liabilities that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.
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| - Definition
The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.
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