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Goodwill And Other Intangible Assets (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Goodwill [Line Items]      
Goodwill by reportable operating segment $ 16,955 $ 16,955  
Amortization expense 2,169 1,971 1,900
Customer Relationships [Member]
     
Goodwill [Line Items]      
Weighted average amortization period 7 years    
Non-Compete Agreements [Member]
     
Goodwill [Line Items]      
Weighted average amortization period 8 years    
Minimum [Member]
     
Goodwill [Line Items]      
Estimated useful life of intangible assets 7 years    
Maximum [Member]
     
Goodwill [Line Items]      
Estimated useful life of intangible assets 8 years    
Housekeeping Segment [Member]
     
Goodwill [Line Items]      
Goodwill by reportable operating segment 14,894 14,894  
Dietary Segment [Member]
     
Goodwill [Line Items]      
Goodwill by reportable operating segment $ 2,061 $ 2,061