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Restructuring (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Dec. 28, 2012
Restructuring Cost and Reserve [Line Items]  
Restructuring Reserve, Beginning Balance $ 528
Restructuring Charges 481
Restructuring Reserve, Settled with Cash (300)
Restructuring Reserve, Ending Balance 709
Employee Termination Costs [Member]
  
Restructuring Cost and Reserve [Line Items]  
Restructuring Reserve, Beginning Balance 428
Restructuring Charges 332
Restructuring Reserve, Settled with Cash (200)
Restructuring Reserve, Ending Balance 560
Contract Exit Costs [Member]
  
Restructuring Cost and Reserve [Line Items]  
Restructuring Charges 72
Restructuring Reserve, Settled with Cash (5)
Restructuring Reserve, Ending Balance 67
Other Exit Costs [Member]
  
Restructuring Cost and Reserve [Line Items]  
Restructuring Reserve, Beginning Balance 100
Restructuring Charges 77
Restructuring Reserve, Settled with Cash (95)
Restructuring Reserve, Ending Balance $ 82