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Debt - Summary of Debt (Detail) - USD ($)
$ in Thousands
Sep. 30, 2017
Aug. 17, 2017
Dec. 31, 2016
Debt Instrument [Line Items]      
Total $ 836,992   $ 825,090
Less current maturities of long-term debt 21,090   12,751 [1]
Principal, net of current portion 815,902   812,339
Less unamortized debt issuance costs 21,903   26,626
Long-term debt, net of current portion 793,999   785,713 [1]
Senior Notes Due 2020 [Member]      
Debt Instrument [Line Items]      
Senior debt     250,000
French Safeguard [Member]      
Debt Instrument [Line Items]      
French Safeguard Obligations 401   358
Brazilian [Member]      
Debt Instrument [Line Items]      
Line of credit 327   573
Chinese [Member]      
Debt Instrument [Line Items]      
Line of credit 3,014   2,619
Senior Secured Term Loan B [Member]      
Debt Instrument [Line Items]      
Senior debt 539,250   543,563
Incremental Term Loan [Member]      
Debt Instrument [Line Items]      
Senior debt $ 294,000    
Senior Secured Revolving Facility [Member]      
Debt Instrument [Line Items]      
Line of credit   $ 33,200 $ 27,977
[1] Includes the effects of discontinued operations (Note 2) and prior periods' revisions (Note 1 and Note 15)