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Commitments and Contingencies (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 03, 2011
Nov. 27, 2010
Nov. 28, 2009
Dec. 03, 2011
2012 [Member]
Dec. 03, 2011
2013 [Member]
Dec. 03, 2011
2014 [Member]
Dec. 03, 2011
Total Contractual Obligations [Member]
Dec. 03, 2011
Asbestos Related Lawsuits And Claims [Member]
Nov. 27, 2010
Asbestos Related Lawsuits And Claims [Member]
Nov. 28, 2009
Asbestos Related Lawsuits And Claims [Member]
Dec. 03, 2011
Group Settlement Asbestos Related Lawsuits And Claims [Member]
Nov. 27, 2010
Group Settlement Asbestos Related Lawsuits And Claims [Member]
Dec. 01, 2007
Group Settlement Asbestos Related Lawsuits And Claims [Member]
Dec. 03, 2011
Soracaba Brazil [Member]
Environmental Remediation Obligations [Line Items]                            
Total environmental reserve $ 2,145                         $ 1,085
Operating Leases [Abstract]                            
Operating Leases, Future Minimum Payments Due, Current 6,445                          
Operating Leases, Future Minimum Payments, Due in Two Years 4,178                          
Operating Leases, Future Minimum Payments, Due in Three Years 2,164                          
Operating Leases, Future Minimum Payments, Due in Four Years 976                          
Operating Leases, Future Minimum Payments, Due in Five Years 432                          
Operating Leases, Future Minimum Payments, Due Thereafter 261                          
Operating Leases, Future Minimum Payments Due 14,456                          
Operating Leases, Rent Expense 10,265 9,626 8,138                      
Product Liability Contingency [Line Items]                            
Lawsuits and claims settled               7 4 7        
Settlement amounts               537 458 846        
Insurance receivable               295     159 510 2,043  
Loss contingency accrual product liability               399     250 800 4,114  
Loss contingency accrual payments                     550 1,674    
Loss contingency payments by insurers                     351 892    
Insurance Payments Received Or Expected To Be Received               417 366 595        
Servicing Agreement [Line Items]                            
Professional and Contract Services Expense 6,146 6,506 10,075 4,482 3,594 1,280 9,356              
Capitalized Computer Software, Additions $ 50 $ 29 $ 869