Annual report pursuant to Section 13 and 15(d)

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

v3.10.0.1
Reconciliation of Income Taxes at Federal Statutory Rate to Effective Tax Rate (Detail) - USD ($)
$ in Thousands
4 Months Ended 8 Months Ended 12 Months Ended
Dec. 31, 2017
Aug. 31, 2018
Aug. 31, 2018
Aug. 31, 2017
Aug. 31, 2016
Income Tax Disclosure [Abstract]          
Federal statutory rate 35.00% 21.00% 25.70% 35.00% 35.00%
State income taxes, net of federal effect     5.10% 1.10% 1.20%
Net effects of foreign tax rate differential and credits     26.90% (3.50%) 2.40%
Effective Income Tax Rate Reconciliation, Domestic Manufacturing Deduction     3.90% 0.60% 0.30%
Foreign Branch Currency Losses     3.20% (0.30%) 4.90%
Effective Income Tax Rate Reconciliation, Compensation Adjustment     (11.10%) 0.00% 0.00%
Impairment and divestiture charges     (125.90%) (11.20%) (27.00%)
Valuation allowance additions and releases     (31.70%) (16.20%) (0.70%)
Changes in liability for unrecognized tax benefits     51.70% (3.70%) (0.90%)
Effective Income Tax Rate Reconciliation, U.S. Tax Reform, Net Impact     (3.90%) 0.00% 0.00%
Effective Income Tax Rate Reconciliation, Changes in Liability for Unrecognized Tax Benefits, Percent     (11.70%) 22.10% 0.00%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent     (18.20%) (4.60%) (1.70%)
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent     2.20% (2.10%) 0.90%
Business divestiture     0.00% 0.00% 3.90%
Effective Income Tax Rate Reconciliation, Adjustment to Tax Accruals     11.40% 2.50% 1.30%
Other items     1.60% 0.20% (0.30%)
Effective income tax rate     (70.80%) 19.90% 19.30%
Effective Income Tax Rate Reconciliation, Tax Credit, Foreign, Amount     $ 10,300    
Impairment and divestiture charges     73,058 $ 116,979  
Impairment charge         $ 186,511
Impairment, Non-Deductible for Income Tax Purposes     45,100 69,000 $ 118,500
Valuation Allowances and Reserves, Additions for Charges to Cost and Expense     18,100 15,100  
Deferred Tax Assets, Valuation Allowance     7,100    
Valuation Allowances and Reserves, Deductions     12,800 600  
Unrecognized Tax Benefits, Period Increase (Decrease)     6,600    
Adjustments to Additional Paid in Capital, Income Tax Deficiency from Share-based Compensation     1,500    
Net Benefit, Taxable Liquidations of Foreign Subsidiaries     $ 1,500 $ 14,900