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Restructuring (Narrative) (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Segment Reporting Information          
Restructuring Charges $ 235,000 $ 764,000 $ 10,316,000 $ 15,607,000  
Employee severance benefits liability 300,000   300,000   2,600,000
Lease exit liabilities 28,800,000   28,800,000   29,700,000
Financial Services [Member]
         
Segment Reporting Information          
Restructuring Charges     $ 2,500,000 $ 1,100,000