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Acquisitions (Detail) - Personal Care [Member]
$ in Millions
2 Months Ended 3 Months Ended 7 Months Ended
Mar. 01, 2016
USD ($)
Agencies
Jun. 30, 2016
USD ($)
Mar. 31, 2016
USD ($)
Aug. 01, 2016
USD ($)
Professional Profiles [Member]        
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]        
Acquisition, total purchase price       $ 4.4
Massachusetts [Member] | Associated Homecare [Member]        
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]        
Acquisition, total purchase price $ 27.7      
Acquisition, number of care centers acquired | Agencies 9      
Acquisition, recorded other assets and liabilities   $ 0.2 $ 4.2  
Escrow depost for indemnification purposes and working capital price adjustments $ 0.5      
Additions     $ 23.5  
Goodwill purchase accounting adjustments   (5.0)    
Massachusetts [Member] | Associated Homecare [Member] | Acquired Name Of Business [Member]        
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]        
Acquisition, other intangibles recorded   3.5    
Massachusetts [Member] | Associated Homecare [Member] | Noncompete Agreements [Member]        
Schedule of Business Acquisitions, Purchase Price Allocation [Line Items]        
Acquisition, other intangibles recorded   $ 1.3    
Weighted-average amortization period   2 years 1 month 6 days