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Goodwill And Intangible Assets (Narrative) (Details) (USD $)
3 Months Ended 6 Months Ended 12 Months Ended 3 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Dec. 31, 2010
Mar. 31, 2010
Menlo Worldwide Logistics [Member]
Mar. 31, 2010
Chic Logistics' [Member]
Amortization expense $ 800,000 $ 800,000 $ 1,600,000 $ 1,700,000      
Impairment loss/charge         16,414,000 2,800,000  
Carrying amount of intangible assets             $ 0