ACQUISITIONS - Pro Forma (Details) - Hospice - Compassionate Care Hospice [Member] - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Business Acquisition [Line Items]
Net service revenue	$ 494.6	$ 467.3	$ 1,471.0	$ 1,373.4
Operating income (loss)	46.8	47.0	142.2	136.9
Net income	$ 34.1	$ 34.2	$ 102.9	$ 97.9
Basic earnings (loss) per share	$ 1.06	$ 1.07	$ 3.21	$ 2.96
Diluted earnings (loss) per share	$ 1.03	$ 1.05	$ 3.12	$ 2.89