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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, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		$ (43,152)	$ (7,551)	$ (39,500)	$ (20,444)
Cumulative effect of accounting change due to adoption of ASU 2018-02					(40)
Other comprehensive income (loss) before reclassifications		3,952	(24,386)	595	(10,782)
Income tax effect of other comprehensive income (loss) before reclassifications		(101)	218	(434)	(356)
Amounts reclassified from accumulated other comprehensive loss into net income		(178)	(169)	(129)	(129)
Income taxes reclassified into net income		39	45	28	(92)
Other comprehensive (loss) income, net of tax		3,712	(24,292)	60	(11,399)
Ending Balance		(39,440)	(31,843)	(39,440)	(31,843)
Defined Benefit Pension Plans
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		(2,339)	(2,415)	(2,339)	(2,366)
Cumulative effect of accounting change due to adoption of ASU 2018-02					(49)
Other comprehensive (loss) income, net of tax					(49)
Ending Balance		(2,339)	(2,415)	(2,339)	(2,415)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		(41,408)	(5,881)	(37,157)	(17,555)
Other comprehensive income (loss) before reclassifications		3,477	(22,994)	(597)	(11,244)
Income tax effect of other comprehensive income (loss) before reclassifications		3	(156)	(174)	(232)
Other comprehensive (loss) income, net of tax		3,480	(23,150)	(771)	(11,476)
Ending Balance		(37,928)	(29,031)	(37,928)	(29,031)
Foreign Currency Hedge Derivatives
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		595	745	(4)	(800)
Other comprehensive income (loss) before reclassifications		475	(1,392)	1,192	462
Income tax effect of other comprehensive income (loss) before reclassifications		(104)	374	(260)	(124)
Amounts reclassified from accumulated other comprehensive loss into net income	[1]	(178)	(169)	(129)	89
Income taxes reclassified into net income		39	45	28	(24)
Other comprehensive (loss) income, net of tax		232	(1,142)	831	403
Ending Balance		$ 827	$ (397)	$ 827	(397)
Commodity Hedge Derivatives
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance					277
Cumulative effect of accounting change due to adoption of ASU 2018-02					9
Amounts reclassified from accumulated other comprehensive loss into net income	[1]				(218)
Income taxes reclassified into net income					(68)
Other comprehensive (loss) income, net of tax					$ (277)
[1] The amounts reclassified from accumulated other comprehensive loss are included in cost of sales.

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