Significant Components of Deferred Tax Assets and Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Deferred tax assets:
Pension and other postretirement liabilities	$ 14,957	$ 9,805
Rationalization and other accrued liabilities	14,933	26,031
Deferred Tax Assets, Property, Plant and Equipment	1,182	0
AMT and other credit carryforwards	1,500	2,400
Net operating loss carryforwards	33,972	42,176
Foreign currency translation	825	2,076
Inventory and related reserves	7,327us-gaap_DeferredTaxAssetsInventory	7,722us-gaap_DeferredTaxAssetsInventory
Other	9,952us-gaap_DeferredTaxAssetsOther	7,202us-gaap_DeferredTaxAssetsOther
Total deferred tax assets	84,648us-gaap_DeferredTaxAssetsGross	97,412us-gaap_DeferredTaxAssetsGross
Deferred tax liabilities:
Property, plant and equipment	(194,793)	(200,359)
Pension and other post retirement liabilities	(13,383)	(28,552)
Other intangible assets	(80,552)	(49,114)
Foreign currency translation	(13,110)	(4,206)
Other	(3,988)us-gaap_DeferredTaxLiabilitiesOther	(12,369)us-gaap_DeferredTaxLiabilitiesOther
Total deferred tax liabilities	(305,826)us-gaap_DeferredTaxLiabilities	(294,600)us-gaap_DeferredTaxLiabilities
Valuation allowance	(7,858)	(11,704)
Deferred Tax Assets, Net, Total	$ (229,036)us-gaap_DeferredTaxAssetsLiabilitiesNet	$ (208,892)us-gaap_DeferredTaxAssetsLiabilitiesNet

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Deferred Tax Liabilities, Pension and Other Post Retirement Liabilities

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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The tax effect as of the balance sheet date of the amount of future tax deductions arising from all unused tax credit carryforwards which have been reduced by a valuation allowance.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.

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