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Business Combinations - Net Cash Paid for Acquisitions (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Business Acquisition [Line Items]
Net cash paid for acquisition	$ 13.7	$ 0.6
Home Health and Hospice Segment [Member] | Tidewater and Care Resource Group [Member]
Business Acquisition [Line Items]
Fair value of assets acquired	3.2	0.1
Goodwill	10.8	0.5
Fair value of liabilities assumed	(0.3)	0.0
Net cash paid for acquisition	$ 13.7	$ 0.6

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The fair value of assets acquired in noncash investing or financing activities.

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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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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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