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Income Taxes - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jan. 01, 2018
Dec. 22, 2017
Dec. 21, 2017
Nov. 30, 2017
Nov. 30, 2016
Nov. 30, 2017
Nov. 30, 2016
Operating Loss Carryforwards [Line Items]              
Effective income tax expense (benefit) rate       12.20% (34.30%) 19.60% (3.70%)
Federal statutory rate       35.00% 35.00%    
Favorable discrete tax adjustments for excess tax benefits related to equity compensation       $ 2,000,000 $ 1,000,000 $ 3,500,000 $ 11,300,000
Discrete tax expense (benefit)       (18,000,000)   (9,000,000)  
Discrete tax benefit related to change in estimated deferred income tax liability       16,800,000      
Unremitted foreign earnings       221,800,000   221,800,000  
Deferred income tax liability       63,400,000   63,400,000  
Provision for deferred income taxes       0   $ 0  
Subsequent Event              
Operating Loss Carryforwards [Line Items]              
Corporate income tax rate   21.00% 35.00%        
Corporate tax ate reduction effective date Jan. 01, 2018            
Percentage of blended rate 29.20%            
Domestic Tax Authority              
Operating Loss Carryforwards [Line Items]              
Discrete tax expense (benefit)       $ (1,200,000)