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Restructuring Charges (Schedule Of Restructuring Reserves) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Hub Group Total [Member]
  
Restructuring Cost and Reserve [Line Items]  
Balance at December 31, 2011 $ 614
Restructuring expenses 32
Change in estimate (64)
Cash payments made (240)
Balance at March 31, 2012 342
Hub [Member]
  
Restructuring Cost and Reserve [Line Items]  
Balance at December 31, 2011 501
Restructuring expenses 32
Change in estimate (62)
Cash payments made (150)
Balance at March 31, 2012 321
Headcount Reduction [Member] | Hub [Member]
  
Restructuring Cost and Reserve [Line Items]  
Balance at December 31, 2011 364
Restructuring expenses 9
Change in estimate (39)
Cash payments made (109)
Balance at March 31, 2012 225
Headcount Reduction [Member] | Mode [Member]
  
Restructuring Cost and Reserve [Line Items]  
Balance at December 31, 2011 113
Change in estimate (2)
Cash payments made (90)
Balance at March 31, 2012 21
Consolidation Of Facilities [Member] | Hub [Member]
  
Restructuring Cost and Reserve [Line Items]  
Balance at December 31, 2011 137
Restructuring expenses 23
Change in estimate (23)
Cash payments made (41)
Balance at March 31, 2012 $ 96