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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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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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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The number of businesses acquired by the entity during the period.

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Acquisitions (Detail) $ in Millions	1 Months Ended	3 Months Ended		4 Months Ended	6 Months Ended
Acquisitions (Detail) $ in Millions	Feb. 01, 2017 USD ($) Agencies	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	May 01, 2017 USD ($) Agencies	Jun. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Long Term Debt		$ 91.3			$ 91.3	$ 93.0
Promissory Notes [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Long Term Debt		1.1			1.1	$ 0.7
Tenet Healthcare [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, total purchase price				$ 20.5
Acquisition, recorded other assets and liabilities		0.8			0.8
Additions		20.9
Revenue		3.3			3.3
Operating loss		$ 0.4			$ 0.4
Tenet Healthcare [Member] \| Home Health [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired \| Agencies				3
Tenet Healthcare [Member] \| Hospice [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired \| Agencies				2
Massachusetts [Member] \| Home Staff, L.L.C. [Member] \| Personal Care [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, total purchase price	$ 4.0
Acquisition, number of care centers acquired \| Agencies	3
Acquisition, recorded other assets and liabilities			$ 0.5
Additions			3.8
Massachusetts [Member] \| Home Staff, L.L.C. [Member] \| Personal Care [Member] \| Promissory Notes [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Long Term Debt	$ 0.4
Massachusetts [Member] \| Home Staff, L.L.C. [Member] \| Personal Care [Member] \| Noncompete Agreements [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, other intangibles recorded			$ 0.2
Weighted-average amortization period			2 years 9 months 18 days
Massachusetts [Member] \| Tenet Healthcare [Member] \| Home Health [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired \| Agencies				1
Massachusetts [Member] \| Tenet Healthcare [Member] \| Hospice [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired \| Agencies				1
Illinois [Member] \| Tenet Healthcare [Member] \| Home Health [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired \| Agencies				1
Arizona [Member] \| Tenet Healthcare [Member] \| Hospice [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired \| Agencies				1
Texas [Member] \| Tenet Healthcare [Member] \| Home Health [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired \| Agencies				1