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Pension and Other Postretirement Plans (Change in Benefit Obligation) (Details) - USD ($)
$ in Thousands
12 Months Ended
Nov. 28, 2015
Nov. 29, 2014
Nov. 30, 2013
Pension Plan [Member]      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation at beginning of year $ 204,982 $ 176,099  
Currency translation (450) (357)  
Service cost 1,905 1,990 $ 2,485
Interest cost 7,676 7,704 6,934
Plan participants' contributions 18 22  
Curtailment (2,193) 0  
Actuarial (gains) losses (8,209) 27,232  
Benefits paid (8,213) (7,708)  
Retiree contributions 0 0  
Benefit obligation at end of year 195,516 204,982 176,099
Other Postretirement Benefit Plans, Defined Benefit [Member]      
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation at beginning of year 397 356  
Currency translation 0 0  
Service cost 0 0  
Interest cost 12 10 9
Plan participants' contributions 0 0  
Curtailment 0 0  
Actuarial (gains) losses (78) 17  
Benefits paid (180) (197)  
Retiree contributions 190 211  
Benefit obligation at end of year $ 341 $ 397 $ 356