Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

v3.8.0.1
Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Feb. 29, 2016
Aug. 31, 2017
Aug. 31, 2016
Aug. 31, 2015
Income Tax Disclosure Additional Details [Table] [Line Items]        
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued   $ 2,900 $ 2,300 $ 1,800
Director & officer transition charges   7,784 0 0
Valuation Allowances and Reserves, Additions for Charges to Cost and Expense   15,100    
Asset Impairment Charge Income Tax Benefit   47,900 68,000 6,300
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount       10,000
Impairment charge $ 186,511   186,511 84,353
Unrecognized Tax Benefits, Period Increase (Decrease)   (4,600)   (9,500)
Net Benefit, Taxable Liquidations of Foreign Subsidiaries   14,900    
Operating Loss Carryforward   62,700    
Undistributed earnings   213,700    
Loss on product line divestiture   0 5,092 0
Income taxes, net of refunds   11,800 21,400 26,400
Deferred Tax Assets, Operating Loss Carryforwards, Foreign   112,000    
Additional Tax Expense Related to Deferred Tax Liability   $ 21,700    
Domestic Destination        
Income Tax Disclosure Additional Details [Table] [Line Items]        
Impairment charge     49,000 20,300
Foreign Destination        
Income Tax Disclosure Additional Details [Table] [Line Items]        
Impairment charge     $ 137,500 $ 64,100
Percent of Revenue (excluding impairment charge) from foreign jurisdictions   63.00% 53.00% 68.00%
Valuation Allowance of Deferred Tax Assets        
Income Tax Disclosure Additional Details [Table] [Line Items]        
Valuation Allowances and Reserves, Additions for Charges to Cost and Expense   $ 15,144 $ 852 $ 5,694
Valuation Allowances and Reserves, Deductions   $ 620 $ 1,026 $ 2,254