ACQUISITIONS - Pro Forma (Details) - Hospice - Compassionate Care Hospice [Member] - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Business Acquisition [Line Items]
Net service revenue	$ 493.0	$ 459.4	$ 976.4	$ 906.1
Operating income (loss)	44.8	48.1	95.4	89.9
Net income	$ 33.7	$ 34.8	$ 68.9	$ 63.7
Basic earnings (loss) per share	$ 1.05	$ 1.04	$ 2.15	$ 1.89
Diluted earnings (loss) per share	$ 1.02	$ 1.02	$ 2.09	$ 1.85