Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Income Tax Reconciliation from Federal Income Tax Statutory Rate (Detail)

v3.6.0.2
Income Taxes - Schedule of Income Tax Reconciliation from Federal Income Tax Statutory Rate (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Reconciliation [Line Items]      
Computed Expected Tax Expense, Amount $ (54,825) $ (25,190) $ 16,988
Foreign Taxes, Amount 12,688 16,043 11,221
Tax Effect Different From Statutory Rates, Amount (3,629) (2,729) (3,389)
State Taxes, net of Federal Benefit, Amount (849) (4,544) 3,117
Foreign Tax Credits, Amount (20) (5,566) (3,043)
Change in Valuation Allowance, Amount   40,676 2,800
Uncertain Tax Positions, Amount (726) (81) (1,125)
Permanent Differences, Amount 1,442 1,696 676
Prior Year Return to Provision Adjustments, Amount 2,078 1,555 (2,618)
Other, Amount 264 453 (551)
Total income tax expense (benefit) $ 74,170 $ 22,313 $ 24,076
Computed Expected Tax Expense, Percentage 35.00% 35.00% 35.00%
Foreign Taxes, Percentage (8.10%) (22.30%) 23.10%
Tax Effect Different From Statutory Rates, Percentage (2.30%) (3.80%) (7.00%)
State Taxes, net of Federal Benefit, Percentage 0.50% 6.30% 6.40%
Foreign Tax Credits, Percentage (0.00%) 7.70% (6.30%)
Valuation Allowances and Reserves, Period Increase (Decrease) $ 117,707 $ 40,600  
Change in Valuation Allowance, Percentage (75.10%) (56.50%) 5.80%
Uncertain Tax Positions, percentage 0.50% 0.10% (2.30%)
Permanent Differences, Percentage (0.90%) (2.40%) 1.40%
Prior Year Return to Provision Adjustments, Percentage (1.30%) (2.10%) (5.40%)
Other, Percentage (0.20%) (0.60%) (1.10%)
Actual Tax Expense, Percentage (47.30%) (31.00%) 49.60%