Schedule of Reclassification Adjustments and Other Activities Impacting Accumulated Other Comprehensive Income (Loss) (Detail) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		$ (39,440)	$ (31,843)	$ (39,500)	$ (20,444)
Cumulative effect of accounting change due to adoption of ASU 2018-02					(40)
Other comprehensive income (loss) before reclassifications		(14,690)	(1,680)	(14,095)	(12,471)
Income tax effect of other comprehensive income (loss) before reclassifications		(351)	(476)	(785)	(832)
Amounts reclassified from accumulated other comprehensive income (loss) into net income (loss)		(424)	167	(553)	38
Income taxes reclassified into net income (loss)		91	(45)	119	(128)
Other comprehensive loss, net of tax		(15,374)	(2,034)	(15,314)	(13,433)
Ending Balance		(54,814)	(33,877)	(54,814)	(33,877)
Defined Benefit Pension Plans
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		(2,339)	(2,406)	(2,339)	(2,366)
Cumulative effect of accounting change due to adoption of ASU 2018-02					(40)
Other comprehensive loss, net of tax					(40)
Ending Balance		(2,339)	(2,406)	(2,339)	(2,406)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		(37,928)	(29,040)	(37,157)	(17,555)
Other comprehensive income (loss) before reclassifications		(14,857)	(3,266)	(15,454)	(14,519)
Income tax effect of other comprehensive income (loss) before reclassifications		(315)	15	(489)	(217)
Other comprehensive loss, net of tax		(15,172)	(3,251)	(15,943)	(14,736)
Ending Balance		(53,100)	(32,291)	(53,100)	(32,291)
Foreign Currency Hedge Derivatives
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		827	(397)	(4)	(800)
Other comprehensive income (loss) before reclassifications		167	1,586	1,359	2,048
Income tax effect of other comprehensive income (loss) before reclassifications		(36)	(491)	(296)	(615)
Amounts reclassified from accumulated other comprehensive income (loss) into net income (loss)	[1]	(424)	167	(553)	256
Income taxes reclassified into net income (loss)		91	(45)	119	(69)
Other comprehensive loss, net of tax		(202)	1,217	629	1,620
Ending Balance		$ 625	$ 820	$ 625	820
Commodity Hedge Derivatives
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance					277
Amounts reclassified from accumulated other comprehensive income (loss) into net income (loss)	[1]				(218)
Income taxes reclassified into net income (loss)					(59)
Other comprehensive loss, net of tax					$ (277)

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