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Debt - Summary of Long-Term Debt and Short-Term Debt (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Total debt $ 798,464 $ 807,114
Less current maturities of long-term debt 12,751 11,714
Long-term debt, excluding current maturities of long-term debt 785,713 795,400
Senior Notes Due 2020 [Member]    
Debt Instrument [Line Items]    
Borrowings under Senior Notes 245,077 244,088
French Safeguard [Member]    
Debt Instrument [Line Items]    
French Safeguard Obligations 358 2,000
Brazilian [Member]    
Debt Instrument [Line Items]    
Borrowings under line of credit 573 826
Chinese [Member]    
Debt Instrument [Line Items]    
Borrowings under line of credit 2,619 3,696
Senior Secured Term Loan B [Member]    
Debt Instrument [Line Items]    
Borrowings under Senior Notes 524,539 552,957
Senior Secured Revolving Facility [Member]    
Debt Instrument [Line Items]    
Borrowings under line of credit $ 25,298 $ 3,547