Schedule of Reclassification Adjustments and Other Activities Impacting Accumulated Other Comprehensive Loss (Detail) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
		Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		$ (28,656)	$ (14,982)	$ (54,931)	$ (42,441)	$ (14,982)	$ (42,441)
Other comprehensive income (loss) before reclassifications		4,895		6,483		(8,135)	(6,374)
Income tax effect of other comprehensive income (loss) before reclassifications		(82)		(89)		(328)	767
Amounts reclassified from accumulated other comprehensive loss into net income (loss)		(426)		886		(935)	261
Income taxes reclassified into net income (loss)		93		(194)		204	(58)
Other comprehensive income (loss), net of tax		4,480	(13,674)	7,086	(12,490)	(9,194)	(5,404)
Ending Balance		(24,176)	(28,656)	(47,845)	(54,931)	(24,176)	(47,845)
Defined Benefit Pension Plans
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		(3,451)	(3,451)	(3,371)	(3,371)	(3,451)	(3,371)
Ending Balance		(3,451)	(3,451)	(3,371)	(3,371)	(3,451)	(3,371)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		(25,789)	(12,637)	(48,705)	(39,965)	(12,637)	(39,965)
Other comprehensive income (loss) before reclassifications		4,531		5,911		(8,341)	(2,776)
Income tax effect of other comprehensive income (loss) before reclassifications		(3)		36		(283)	(17)
Other comprehensive income (loss), net of tax		4,528		5,947		(8,624)	(2,793)
Ending Balance		(21,261)	(25,789)	(42,758)	(48,705)	(21,261)	(42,758)
Foreign Currency Hedge Derivatives
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		584	1,106	(2,855)	895	1,106	895
Other comprehensive income (loss) before reclassifications		364		572		206	(3,598)
Income tax effect of other comprehensive income (loss) before reclassifications		(79)		(125)		(45)	784
Amounts reclassified from accumulated other comprehensive loss into net income (loss)	[1]	(426)		886		(935)	261
Income taxes reclassified into net income (loss)		93		(194)		204	(58)
Other comprehensive income (loss), net of tax		(48)		1,139		(570)	(2,611)
Ending Balance		$ 536	$ 584	$ (1,716)	$ (2,855)	$ 536	$ (1,716)

[1] The amounts reclassified from accumulated other comprehensive loss were included in cost of sales.