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Debt-Table (Details) - USD ($)
$ in Thousands
Aug. 27, 2017
Mar. 03, 2017
Feb. 28, 2017
Nov. 27, 2016
Schedule of Long-term and Short-term Debt Instruments [Line Items]        
Long-term Debt, Excluding Current Maturities $ 1,035,845     $ 1,006,256
Long-term debt 1,035,845     1,006,256
Short-term debt 33,430     38,922
Long-term and short-term debt 1,069,275     1,045,178
6.875% senior notes due 2022 [Member] | Senior notes [Member]        
Schedule of Long-term and Short-term Debt Instruments [Line Items]        
Long-term Debt, Excluding Current Maturities $ 0     524,396
Stated interest rate 6.875% 6.875%    
5.00% Senior Notes, Due 2025 [Member] | Senior notes [Member]        
Schedule of Long-term and Short-term Debt Instruments [Line Items]        
Long-term Debt, Excluding Current Maturities $ 483,219     481,860
Stated interest rate 5.00%      
3.375% Senior Notes Due 2027 [Member] | Senior notes [Member]        
Schedule of Long-term and Short-term Debt Instruments [Line Items]        
Long-term Debt, Excluding Current Maturities $ 552,626     0
Stated interest rate 3.375%   3.375%  
Short-term borrowings [Member]        
Schedule of Long-term and Short-term Debt Instruments [Line Items]        
Short-term debt $ 33,430     $ 38,922