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Long-Term Debt (Schedule of Long-Term Debt) (Details) - USD ($)
Nov. 28, 2015
Nov. 29, 2014
Nov. 22, 2013
Debt Instrument [Line Items]      
Long-term debt $ 405,156,000 $ 411,563,000  
Current portion of long-term debt 7,788,000 233,000  
Long-term debt, less current portion 397,368,000 411,330,000  
Industrial Revenue Bonds [Member]      
Debt Instrument [Line Items]      
Long-term debt $ 7,410,000 $ 15,820,000  
Weighted average interest rate 0.30% 0.22%  
Other long-term debt [Member]      
Debt Instrument [Line Items]      
Long-term debt $ 746,000 $ 743,000  
Revolving Credit Facility [Member]      
Debt Instrument [Line Items]      
Long-term debt 197,000,000 0  
Term Loan [Member]      
Debt Instrument [Line Items]      
Long-term debt $ 200,000,000 $ 395,000,000 $ 200,000,000