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ACQUISITIONS - Narrative (Details)
$ in Millions
3 Months Ended 9 Months Ended
May 01, 2018
USD ($)
care_center
Mar. 01, 2018
USD ($)
Jun. 30, 2018
USD ($)
Mar. 31, 2018
USD ($)
Sep. 30, 2018
USD ($)
Dec. 31, 2017
USD ($)
Business Acquisition [Line Items]            
Principal amount         $ 59.8 $ 90.7
Home Health | Christian Care at Home            
Business Acquisition [Line Items]            
Payments to acquire business   $ 2.3        
Goodwill recorded during period       $ 2.3    
Personal Care | East Tennessee Personal Care Services            
Business Acquisition [Line Items]            
Payments to acquire business $ 2.0          
Goodwill recorded during period     $ 1.9      
Tennessee [Member] | Personal Care | East Tennessee Personal Care Services            
Business Acquisition [Line Items]            
Acquisition, number of care centers acquired | care_center 1          
Noncompete Agreements [Member] | Personal Care | East Tennessee Personal Care Services            
Business Acquisition [Line Items]            
Acquisition, other intangibles recorded     $ 0.1      
Weighted-average amortization period         2 years 9 months 18 days  
Promissory Notes [Member]            
Business Acquisition [Line Items]            
Principal amount         $ 0.6 $ 0.7
Promissory Notes [Member] | Personal Care | East Tennessee Personal Care Services            
Business Acquisition [Line Items]            
Principal amount $ 0.2