XML 64 R53.htm IDEA: XBRL DOCUMENT v3.8.0.1
Income Taxes - Additional Information (Details) - USD ($)
3 Months Ended
Dec. 22, 2017
Mar. 31, 2018
Dec. 31, 2017
Mar. 31, 2017
Income Tax Contingency [Line Items]        
Effective income tax rate   (22.60%)   10.90%
U.S. federal income tax rate   21.00%   35.00%
Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Provisional Income Tax Expense (Benefit)     $ 19,800,000  
Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Transition Tax For Accumulated Foreign Earnings, Provisional Income Tax Expense (Benefit)     18,000,000  
Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Change In Tax Rate, Provisional Income Tax Expense (Benefit)     1,800,000  
Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Change In Tax Rate, Differences of Non-U.S. Subsidiaries Offset By Foreign Tax Credits $ 7,800,000      
Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Provisional Income Tax Expense (Benefit) Adjustment During the Period   $ 0    
Significant tax benefit related to certain share-based payments   2.20%   16.90%
Insurance receivable (Note 19) and other noncurrent assets   $ 126,832,000 $ 131,790,000  
Accrued interest and penalties related to uncertain tax positions   2,500,000    
Other Noncurrent Liabilities        
Income Tax Contingency [Line Items]        
Unrecognized tax benefits   15,300,000    
Deferred Tax Asset        
Income Tax Contingency [Line Items]        
Insurance receivable (Note 19) and other noncurrent assets   $ 5,600,000