Goodwill and Other Intangible Assets, Net (Detail) - USD ($) $ in Millions |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
Goodwill and Intangible Assets [Line Items] | |||
Other intangibles impairment charge | $ 0.0 | $ (3.1) | $ (8.2) |
Goodwill impairment loss | 0.0 | (1.3) | |
Home Health [Member] | |||
Goodwill and Intangible Assets [Line Items] | |||
Goodwill impairment loss | 0.0 | (1.3) | |
Hospice [Member] | |||
Goodwill and Intangible Assets [Line Items] | |||
Goodwill impairment loss | 0.0 | 0.0 | |
Equity Method Investments [Member] | |||
Goodwill and Intangible Assets [Line Items] | |||
Goodwill impairment loss | 1.3 | ||
Care Centers Closed Or Consolidated [Member] | |||
Goodwill and Intangible Assets [Line Items] | |||
Other intangibles impairment charge | 2.2 | 3.6 | |
Annual Impairment Test Step One [Member] | |||
Goodwill and Intangible Assets [Line Items] | |||
Other intangibles impairment charge | $ 0.9 | $ 4.6 |