Significant Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Deferred tax assets:
Pension and other postretirement liabilities	$ 21,235	$ 14,678
Rationalization and other accrued liabilities	17,716	22,933
Deferred Tax Assets, Property, Plant and Equipment	0	331
AMT and other credit carryforwards	1,910	1,449
Net operating loss carryforwards	34,102	21,605
Deferred Tax Assets, Goodwill and Intangible Assets	0	821
Foreign currency translation	10,170	426
Inventory and related reserves	9,832	16,824
Other	2,093	3,482
Total deferred tax assets	97,058	82,549
Deferred Tax Assets, Net of Valuation Allowance, Noncurrent	26,600	21,300
Deferred tax liabilities:
Property, plant and equipment	(175,486)	(208,409)
Pension and other postretirement liabilities	(23,780)	(30,414)
Other intangible assets	(115,547)	(81,209)
Foreign currency translation	0	(22,156)
Other	(3,961)	(9,292)
Total deferred tax liabilities	(318,774)	(351,480)
Valuation allowance	(14,089)	(8,147)
Net deferred tax liabilities	(235,805)	(277,078)
Deferred Tax Liabilities, Net, Noncurrent	$ 262,400	$ 298,400