ACQUISITIONS - Narrative (Details) $ in Millions										3 Months Ended			12 Months Ended
	Oct. 01, 2017 USD ($) care_center	May 01, 2017 USD ($) care_center	Feb. 01, 2017 USD ($) care_center	Oct. 20, 2016 USD ($) care_center	Sep. 01, 2016 USD ($) care_center	Mar. 01, 2016 USD ($) care_center	Dec. 31, 2015 USD ($) care_center	Oct. 02, 2015 USD ($) care_center	Jul. 24, 2015 USD ($) care_center	Dec. 31, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Goodwill additions													$ 31.0	$ 27.1	$ 56.1
Personal Care [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Goodwill additions													12.9	22.7	0.0
Home Health [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, total purchase price				$ 4.6
Goodwill additions				$ 4.4									13.4	4.4	50.6
Period of time goodwill is expected to be deductible for income tax purposes				15 years
Home Health [Member] | Certificates of Need and Licenses [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, other intangibles recorded				$ 0.2
Home Health [Member] | New York [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center				1
Home Health [Member] | Georgia [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center								1
Acquisition, total purchase price								$ 0.3
Goodwill additions								$ 0.3
Hospice [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, total purchase price									$ 5.8
Goodwill additions									5.5				4.7	$ 0.0	5.5
Acquisition, other intangibles recorded									$ 0.3
Hospice [Member] | Tennessee [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center									1
Home Staff LLC [Member] | Personal Care [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, total purchase price			$ 4.0
Goodwill additions												$ 3.8
Acquisition, recorded other assets and liabilities												0.5
Period of time goodwill is expected to be deductible for income tax purposes			15 years
Home Staff LLC [Member] | Personal Care [Member] | Promissory Notes [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Notes payable issued in acquisition			$ 0.4
Home Staff LLC [Member] | Personal Care [Member] | Noncompete Agreements [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, other intangibles recorded												$ 0.2
Home Staff LLC [Member] | Personal Care [Member] | Massachusetts [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center			3
Intercity Home Care [Member] | Personal Care [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, total purchase price	$ 9.6
Goodwill additions										$ 9.1
Acquisition, recorded other assets and liabilities										0.1			0.1
Escrow deposit for indemnification purposes and working capital price adjustments	$ 1.0
Period of time goodwill is expected to be deductible for income tax purposes	15 years
Intercity Home Care [Member] | Personal Care [Member] | Noncompete Agreements [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, other intangibles recorded										0.4			0.4
Intercity Home Care [Member] | Personal Care [Member] | Massachusetts [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center	4
Tenet Healthcare [Member] | Home Health [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center		3
Tenet Healthcare [Member] | Home Health [Member] | Massachusetts [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center		1
Tenet Healthcare [Member] | Home Health [Member] | Illinois [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center		1
Tenet Healthcare [Member] | Home Health [Member] | Texas [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center		1
Tenet Healthcare [Member] | Hospice [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center		2
Tenet Healthcare [Member] | Hospice [Member] | Massachusetts [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center		1
Tenet Healthcare [Member] | Hospice [Member] | Arizona [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center		1
Tenet Healthcare [Member] | Home Health And Hospice [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, total purchase price		$ 20.5
Goodwill additions											$ 20.9
Reduction in goodwill										2.8
Acquisition, recorded other assets and liabilities											$ 0.8
Period of time goodwill is expected to be deductible for income tax purposes		15 years
Tenet Healthcare [Member] | Home Health And Hospice [Member] | Medicare Licenses [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, other intangibles recorded										0.1			0.1
Tenet Healthcare [Member] | Home Health And Hospice [Member] | Acquired Name of Business [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, other intangibles recorded										$ 2.7			$ 2.7
Associated Homecare [Member] | Personal Care [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, total purchase price						$ 27.7
Goodwill additions						18.5
Acquisition, other intangibles recorded						4.8
Acquisition, recorded other assets and liabilities						4.4
Escrow deposit for indemnification purposes and working capital price adjustments						$ 0.5
Period of time goodwill is expected to be deductible for income tax purposes						15 years
Associated Homecare [Member] | Personal Care [Member] | Massachusetts [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center						9
Professional Profiles [Member] | Personal Care [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, total purchase price					$ 4.4
Goodwill additions					$ 4.2
Period of time goodwill is expected to be deductible for income tax purposes					15 years
Professional Profiles [Member] | Personal Care [Member] | Promissory Notes [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Notes payable issued in acquisition					$ 0.7
Professional Profiles [Member] | Personal Care [Member] | Noncompete Agreements [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, other intangibles recorded					$ 0.2
Professional Profiles [Member] | Personal Care [Member] | Massachusetts [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center					4
Infinity HomeCare [Member] | Home Health [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, total purchase price							$ 63.0
Goodwill additions							50.2
Acquisition, other intangibles recorded							10.9								10.9
Acquisition, recorded other assets and liabilities							1.9								1.9
Escrow deposit for indemnification purposes and working capital price adjustments							3.2								3.2
Goodwill deductible for income tax purposes							$ 47.6								$ 47.6
Period of time goodwill is expected to be deductible for income tax purposes							15 years
Infinity HomeCare [Member] | Home Health [Member] | Florida [Member]
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]
Acquisition, number of care centers acquired | care_center							15