Income Taxes - Summary of Deferred Income Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Deferred income tax assets:
Accrued liabilities	$ 8,117	$ 2,445
Hedging and foreign currency losses	(1,163)	2,034
Deferred compensation	8,021	8,628
Inventory reserves	3,984	2,954
Net loss carryforwards and credits	51,552	69,018
Interest carryforwards	11,269
Competent authority deferred tax assets and other foreign timing differences	6,749	6,939
Other	(3,921)	(830)
Total before valuation allowance	84,608	91,188
Valuation allowance	(16,576)	(7,634)
Net deferred income tax assets	68,032	83,554
Deferred income tax liabilities:
Intangibles, property, plant and equipment and other	(44,591)	(57,791)
Deferred income tax liabilities	(44,591)	(57,791)
Net deferred income tax assets	23,441	25,763
Long-term deferred income tax assets	42,105	54,302
Long-term deferred income tax liabilities	(18,664)	(28,539)
Net deferred tax asset	$ 23,441	$ 25,763