Schedule of Reclassification Adjustments and Other Activities Impacting Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
		Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2020	Jun. 30, 2019
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		$ (54,931)	$ (42,441)	$ (43,152)	$ (39,500)	$ (42,441)	$ (39,500)
Other comprehensive income (loss) before reclassifications		6,483		3,952		(6,374)	595
Income tax effect of other comprehensive income (loss) before reclassifications		(89)		(101)		767	(434)
Amounts reclassified from accumulated other comprehensive loss into net (loss) income		886		(178)		261	(129)
Income taxes reclassified into net (loss) income		(194)		39		(58)	28
Other comprehensive income (loss), net of tax		7,086	(12,490)	3,712	(3,652)	(5,404)	60
Ending Balance		(47,845)	(54,931)	(39,440)	(43,152)	(47,845)	(39,440)
Defined Benefit Pension Plans
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		(3,371)	(3,371)	(2,339)	(2,339)	(3,371)	(2,339)
Ending Balance		(3,371)	(3,371)	(2,339)	(2,339)	(3,371)	(2,339)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		(48,705)	(39,965)	(41,408)	(37,157)	(39,965)	(37,157)
Other comprehensive income (loss) before reclassifications		5,911		3,477		(2,776)	(597)
Income tax effect of other comprehensive income (loss) before reclassifications		36		3		(17)	(174)
Other comprehensive income (loss), net of tax		5,947		3,480		(2,793)	(771)
Ending Balance		(42,758)	(48,705)	(37,928)	(41,408)	(42,758)	(37,928)
Foreign Currency Hedge Derivatives
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		(2,855)	895	595	(4)	895	(4)
Other comprehensive income (loss) before reclassifications		572		475		(3,598)	1,192
Income tax effect of other comprehensive income (loss) before reclassifications		(125)		(104)		784	(260)
Amounts reclassified from accumulated other comprehensive loss into net (loss) income	[1]	886		(178)		261	(129)
Income taxes reclassified into net (loss) income		(194)		39		(58)	28
Other comprehensive income (loss), net of tax		1,139		232		(2,611)	831
Ending Balance		$ (1,716)	$ (2,855)	$ 827	$ 595	$ (1,716)	$ 827

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