Annual report pursuant to Section 13 and 15(d)

Goodwill And Intangible Assets (Schedule Of Changes In Goodwill By Operating Segment) (Details)

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Goodwill And Intangible Assets (Schedule Of Changes In Goodwill By Operating Segment) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Goodwill [Line Items]      
Goodwill, Ending Balance $ 281,981 $ 278,051 $ 224,587
Acquisitions 1,773 53,464  
Other adjustments 2,157    
Medicaid Managed Care [Member]
     
Goodwill [Line Items]      
Goodwill, Ending Balance 151,402 154,696 111,063
Acquisitions 1,773 43,633  
Other adjustments (5,067)    
Specialty Services [Member]
     
Goodwill [Line Items]      
Goodwill, Ending Balance 130,579 123,355 113,524
Acquisitions   9,831  
Other adjustments $ 7,224