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Dividend (Detail)
$ in Thousands
1 Months Ended 2 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Feb. 26, 2017
USD ($)
Installment
Feb. 07, 2017
USD ($)
Installment
Nov. 26, 2017
USD ($)
Feb. 26, 2017
USD ($)
May 29, 2016
USD ($)
Feb. 28, 2016
USD ($)
May 31, 2015
USD ($)
May 25, 2014
USD ($)
Nov. 27, 2016
USD ($)
Nov. 29, 2015
USD ($)
Nov. 30, 2014
USD ($)
Dividends Payable [Line Items]                      
Dividend declared $ 70,000 $ 70,000             $ 60,000 $ 50,000 $ 30,003
Number of dividend installments | Installment 2 2                  
Dividend installments $ 35,000                    
Dividend paid       $ 35,000 $ 60,000 $ 0 $ 50,000 $ 30,000 $ 60,000 $ 50,000 $ 30,003
Scenario, Forecast [Member]                      
Dividends Payable [Line Items]                      
Dividend paid     $ 35,000