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Goodwill And Intangible Assets (Narrative) (Details) (USD $)
3 Months Ended9 Months Ended12 Months Ended3 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Dec. 31, 2009
Dec. 31, 2010
Sep. 30, 2010
Menlo Worldwide Logistics [Member]
Mar. 31, 2010
Menlo Worldwide Logistics [Member]
Mar. 31, 2010
Chic Logistics' [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]         
Amortization expense$ 900,000$ 800,000$ 2,500,000$ 2,500,000     
Impairment loss/charge    16,414,000 16,400,0002,800,000 
Carrying amount of goodwill338,188,000 338,188,000 353,658,000337,650,0000  
Carrying amount of intangible assets        $ 0