GOODWILL AND OTHER INTANGIBLE ASSETS, NET - Activity Related to Goodwill (Details) - USD ($) $ in Thousands			12 Months Ended
	Oct. 20, 2016	Jul. 24, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill [Roll Forward]
Beginning balance			$ 288,957	$ 261,700	$ 205,600
Additions			31,000	27,100	56,100
Adjustments related to acquisitions				100
Ending balance			319,949	288,957	261,700
Home Health [Member]
Goodwill [Roll Forward]
Beginning balance			71,600	67,100	16,500
Additions	$ 4,400		13,400	4,400	50,600
Adjustments related to acquisitions				100
Ending balance			85,000	71,600	67,100
Hospice [Member]
Goodwill [Roll Forward]
Beginning balance			194,600	194,600	189,100
Additions		$ 5,500	4,700	0	5,500
Adjustments related to acquisitions				0
Ending balance			199,300	194,600	194,600
Personal Care [Member]
Goodwill [Roll Forward]
Beginning balance			22,700	0	0
Additions			12,900	22,700	0
Adjustments related to acquisitions				0
Ending balance			$ 35,600	$ 22,700	$ 0