Annual report pursuant to Section 13 and 15(d)

Temporary Differences and Carryforwards of Deferred Tax Assets and Liabilities (Detail)

v3.5.0.2
Temporary Differences and Carryforwards of Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Aug. 31, 2016
Aug. 31, 2015
Aug. 31, 2014
Aug. 31, 2012
Income Tax Disclosure [Abstract]        
Unrecognized Tax Benefits $ 29,174 $ 29,924 $ 39,509 $ 18,006
Deferred income tax assets:        
Deferred Tax Assets Operating Loss And Tax Credit Carryforwards 36,761 19,419    
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits 25,086 27,047    
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Postretirement Benefits 8,727 6,778    
Deferred Tax Assets, Inventory 3,044 3,253    
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other 8,317 11,976    
Total deferred income tax assets 81,935 68,473    
Valuation allowance (8,147) (8,053)    
Net deferred income tax assets 73,788 60,420    
Deferred income tax liabilities:        
Depreciation and amortization (83,020) (110,763)    
Other items (5,493) (4,539)    
Deferred income tax liabilities (88,513) (115,302)    
Net deferred income tax liability (14,725) (54,882)    
Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions 1,050 2,183 28,053  
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions 475 8,935 0  
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions 0 633 0  
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations 1,027 4,464 7,030  
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities 0 14,180 0  
Unrecognized Tax Benefits, Increase (Decrease) Resulting from Foreign Currency Translation $ (1,248) $ (1,426) $ 480