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Business Combinations (Business Acquisition, Purchase Price Allocation) (Details) (USD $)
In Thousands, unless otherwise specified
Apr. 29, 2011
Family Comfort Hospice [Member]
Apr. 29, 2012
Roto-Rooter [Member]
Dec. 31, 2010
Roto-Rooter [Member]
Business Acquisition [Line Items]      
Working capital $ 382   $ 268
Identifiable intangible assets 951 373 589
Goodwill 2,320 5,094 8,225
Other assets and liabilities - net 11 433 387
Assets total $ 3,664 $ 5,900 $ 9,469