EXIT AND RESTRUCTURING ACTIVITIES - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($) care_center
Restructuring Cost and Reserve [Line Items]
Non-cash impairment charge for write-off of intangible assets	$ 1.3
2017 Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Non-cash impairment charge for write-off of intangible assets	1.3
2017 Restructuring [Member] | Lease Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring cost recognized	0.6
2017 Restructuring [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring cost recognized	3.0
Restructuring-related non-cash expense reduction	$ 1.0
Home Health [Member] | Florida [Member] | 2017 Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Number of care centers closed | care_center	4
Number of care centers consolidated | care_center	3