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Dividend (Details)
$ in Thousands
2 Months Ended 3 Months Ended 12 Months Ended
Feb. 07, 2018
USD ($)
installment
Nov. 26, 2017
USD ($)
May 28, 2017
USD ($)
May 29, 2016
USD ($)
May 31, 2015
USD ($)
Nov. 26, 2017
USD ($)
installment
Nov. 27, 2016
USD ($)
Nov. 29, 2015
USD ($)
Nov. 25, 2018
USD ($)
Feb. 25, 2018
USD ($)
Subsequent Event [Line Items]                    
Cash dividend paid   $ 35,000 $ 35,000 $ 60,000 $ 50,000 $ 70,000 $ 60,000 $ 50,000    
Number of installments | installment           2        
Scenario, Forecast [Member]                    
Subsequent Event [Line Items]                    
Dividends payable                 $ 45,000  
Subsequent Event [Member]                    
Subsequent Event [Line Items]                    
Dividend declared $ 90,000                  
Number of installments | installment 2                  
Subsequent Event [Member] | Scenario, Forecast [Member]                    
Subsequent Event [Line Items]                    
Dividends payable                   $ 45,000