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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, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		$ (61,393)	$ (41,385)	$ (69,091)	$ (51,670)
Other comprehensive income before reclassifications		24,405	(7,878)	31,843	1,439
Income tax effect of other comprehensive income before reclassifications		(409)	21	(933)	874
Amounts reclassified from accumulated other comprehensive income (loss) into net income		(289)	(336)	780	(154)
Income taxes reclassified into net income		78	78	(207)	11
Other comprehensive income (loss), net of tax		23,785	(8,115)	31,483	2,170
Ending Balance		(37,608)	(49,500)	(37,608)	(49,500)
Defined Benefit Pension Plans
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		(2,550)	(2,060)	(2,550)	(2,060)
Ending Balance		(2,550)	(2,060)	(2,550)	(2,060)
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		(60,250)	(40,229)	(65,762)	(49,381)
Other comprehensive income before reclassifications		23,285	(7,274)	28,800	636
Income tax effect of other comprehensive income before reclassifications		(106)	(142)	(109)	1,100
Other comprehensive income (loss), net of tax		23,179	(7,416)	28,691	1,736
Ending Balance		(37,071)	(47,645)	(37,071)	(47,645)
Commodity Hedge Derivatives
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		262	(42)	241	(229)
Other comprehensive income before reclassifications		28	(12)	78	102
Income tax effect of other comprehensive income before reclassifications		(10)	4	(28)	(38)
Amounts reclassified from accumulated other comprehensive income (loss) into net income	[1]	(12)	121	(30)	303
Income taxes reclassified into net income		4	(45)	11	(112)
Other comprehensive income (loss), net of tax		10	68	31	255
Ending Balance		272	26	272	26
Foreign Currency Hedge Derivatives
Accumulated Other Comprehensive Income Loss [Line Items]
Beginning Balance		1,145	946	(1,020)
Other comprehensive income before reclassifications		1,092	(592)	2,965	701
Income tax effect of other comprehensive income before reclassifications		(293)	159	(796)	(188)
Amounts reclassified from accumulated other comprehensive income (loss) into net income	[1]	(277)	(457)	810	(457)
Income taxes reclassified into net income		74	123	(218)	123
Other comprehensive income (loss), net of tax		596	(767)	2,761	179
Ending Balance		$ 1,741	$ 179	$ 1,741	$ 179
[1] The amounts reclassified from accumulated other comprehensive income (loss) are included in cost of sales.

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Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

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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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