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Derivatives - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 30, 2016
Dec. 31, 2019
Apr. 03, 2019
Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Maximum period for hedging a portion of forecasted foreign currency denominated intercompany sales of inventory   18 months    
Gross notional values of outstanding forward foreign exchange contracts   $ 154,674   $ 159,394
Accumulated other comprehensive income realization period   12 months    
Interest Rate Hedge [Member]        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Percentage of debt which is subject to interest rate swap fixed rate 50.00%      
Interest rate swap agreement, maturity date Sep. 30, 2020      
Interest rate swap agreement, notional amount   $ 250,000   290,000
Interest rate swap agreement, interest rate description   the Company entered into an interest rate swap agreement to fix the rate on approximately 50% of its then-outstanding balance under the 2016 Term Loan Facility, as described further in Note 15. This hedge fixes the interest rate paid on the hedged debt at 1.198% per annum plus the applicable credit spread, which was 1.75% as of December 31, 2019, through September 30, 2020. At December 31, 2019, the notional amount of this transaction was $250,000 and it had a fair value asset of $843. At December 31, 2018, the notional amount of this transaction was $290,000 and had a fair value asset of $6,083.    
Interest rate swap agreement, fair value   $ 843   $ 6,083
Interest Rate Hedge [Member] | Newport [Member] | Term Loan Credit Agreement [Member] | Secured Debt Repricing Amendment 1 [Member]        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Interest rate swap agreement, interest rate 1.198%   2.309%  
Interest rate swap agreement, credit spread rate   1.75%    
Interest rate swap agreement, notional amount   $ 300,000 $ 300,000  
Interest rate swap agreement, fair value   $ 6,510    
Cash Flow Hedging [Member] | Interest Rate Hedge [Member]        
Derivative Instruments and Hedging Activities Disclosures [Line Items]        
Interest rate swap agreement, interest rate   1.198%