Annual report pursuant to Section 13 and 15(d)

Reconciliation of Income Taxes at Federal Statutory Rate to Effective Tax Rate (Detail)

v3.19.3
Reconciliation of Income Taxes at Federal Statutory Rate to Effective Tax Rate (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Aug. 31, 2019
May 31, 2019
Feb. 28, 2019
Nov. 30, 2018
Aug. 31, 2019
Aug. 31, 2018
Aug. 31, 2017
Income Tax Disclosure [Abstract]              
Federal statutory rate         21.00% 25.70% 35.00%
State income taxes, net of federal effect         (4.00%) (0.50%) 0.60%
Net effects of foreign tax rate differential and credits         11.30% (12.20%) (5.40%)
Domestic Manufacturing Deduction         0.00% (1.30%) 0.20%
Foreign Branch Currency Losses         0.00% (2.10%) (0.20%)
Compensation Adjustment         4.40% 7.00% 0.00%
Impairment and divestiture charges         19.30% 39.10% (7.90%)
Valuation allowance additions and releases         3.90% 20.30% (12.30%)
Changes in liability for unrecognized tax benefits         4.10% (34.10%) (2.60%)
U.S. Tax Reform, Net Impact         (31.10%) 2.40% 0.00%
Net Benefit, Taxable Liquidations of Foreign Subsidiaries, Percent         0.00% 7.70% 15.50%
Foreign Nondeductible Expense         16.20% 12.00% (2.10%)
Change in Enacted Tax Rate         1.70% (1.40%) (1.50%)
U.S. credits, audits and adjustments         4.80% 15.30% 1.00%
Other items         5.30% (2.60%) (1.10%)
Effective income tax rate         56.90% 75.30% 19.20%
Tax Credit, Foreign, Amount         $ 700 $ 10,200 $ 4,200
Impairment & divestiture charges $ 6,200 $ (13,000) $ 6,100 $ 23,500 22,827 2,987 116,979
Non-cash impairment charge - foreign earnings         13,800   117,000
Impairment, Non-Deductible for Income Tax Purposes         14,000 700 69,000
Valuation Allowances and Reserves, Additions, Charge to Cost and Expense         1,700 20,400  
Valuation Allowances and Reserves, Deduction         2,900 11,800  
Tax benefit Related to the Tax Cuts and Jobs Act         $ 5,800    
Taxable Liquidations of Foreign Subsidiaries           $ 1,500 $ 14,900