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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, 2016		Jun. 30, 2015	Jun. 30, 2016		Jun. 30, 2015
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	$ (41,385)		$ (45,063)	$ (51,670)		$ (25,743)
Other comprehensive income (loss) before reclassifications	(7,878)		4,103	1,439		(15,783)
Income tax effect of other comprehensive income (loss) before reclassifications	21		393	874		949
Amounts reclassified from accumulated other comprehensive income (loss) into net income	(336)		65	(154)		75
Income taxes reclassified into net income	78		(26)	11		(26)
Other comprehensive income (loss), net of tax	(8,115)		4,535	2,170		(14,785)
Ending balance	(49,500)		(40,528)	(49,500)		(40,528)
Defined Benefit Pension Plans
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	(2,060)		(2,673)	(2,060)		(2,673)
Ending balance	(2,060)		(2,673)	(2,060)		(2,673)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	(40,229)		(42,198)	(49,381)		(23,060)
Other comprehensive income (loss) before reclassifications	(7,274)		4,722	636		(14,883)
Income tax effect of other comprehensive income (loss) before reclassifications	(142)		246	1,100		713
Other comprehensive income (loss), net of tax	(7,416)		4,968	1,736		(14,170)
Ending balance	(47,645)		(37,230)	(47,645)		(37,230)
Commodity Hedge Derivatives
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	(42)		76	(229)
Other comprehensive income (loss) before reclassifications	(12)		(103)	102		(27)
Income tax effect of other comprehensive income (loss) before reclassifications	4			(38)
Amounts reclassified from accumulated other comprehensive income (loss) into net income	121	[1]	(21)	303	[1]	(21)
Income taxes reclassified into net income	(45)			(112)
Other comprehensive income (loss), net of tax	68		(124)	255		(48)
Ending balance	26		(48)	26		(48)
Foreign Currency Hedge Derivatives
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning balance	946		(268)			(10)
Other comprehensive income (loss) before reclassifications	(592)		(516)	701		(873)
Income tax effect of other comprehensive income (loss) before reclassifications	159		147	(188)		236
Amounts reclassified from accumulated other comprehensive income (loss) into net income	(457)	[1]	86	(457)	[1]	96	[1]
Income taxes reclassified into net income	123		(26)	123		(26)
Other comprehensive income (loss), net of tax	(767)		(309)	179		(567)
Ending balance	$ 179		$ (577)	$ 179		$ (577)
[1] The amounts reclassified from accumulated other comprehensive income (loss) are included in cost of sales.

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Amount before tax and reclassification adjustments of other comprehensive income (loss).

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Amount of tax expense (benefit) allocated to other comprehensive income (loss) before reclassification adjustment from accumulated other comprehensive income (loss).

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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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