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Debt - Summary of Long-Term and Short-Term Debt (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Debt Instrument [Line Items]    
Total debt $ 852,138 $ 798,464
Less current maturities of long-term debt 24,748 12,751
Long-term debt, excluding current maturities of long-term debt 827,390 785,713
Senior Notes Due 2020 [Member]    
Debt Instrument [Line Items]    
Senior debt   245,077
French Safeguard [Member]    
Debt Instrument [Line Items]    
French Safeguard Obligations 388 358
Brazilian [Member]    
Debt Instrument [Line Items]    
Line of credit 379 573
Chinese [Member]    
Debt Instrument [Line Items]    
Line of credit 3,319 2,619
Senior Secured Term Loan B [Member]    
Debt Instrument [Line Items]    
Senior debt 523,030 524,539
Incremental Term Loan [Member]    
Debt Instrument [Line Items]    
Senior debt 294,023  
Senior Secured Revolving Facility [Member]    
Debt Instrument [Line Items]    
Line of credit $ 30,999 $ 25,298