Significant Components of Deferred Tax Assets and Liabilities (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Deferred tax assets:
Pension and other postretirement liabilities	$ 23,853	$ 49,273
Rationalization and other accrued liabilities	28,040	25,481
AMT and other credit carryforwards	5,815	6,129
Net operating loss carryforwards	24,829	21,228
Foreign currency translation		2
Inventory and related reserves	14,013	981
Other	9,972	8,301
Total deferred tax assets	106,522	111,395
Deferred tax liabilities:
Property, plant and equipment	(193,887)	(205,177)
Other intangible assets	(26,302)	(27,387)
Foreign currency translation	(12,602)	(18,078)
Other	(10,358)	(4,322)
Total deferred tax liabilities	(243,149)	(254,964)
Valuation allowance	(12,361)	(11,840)
Deferred Tax Assets, Net, Total	$ (148,988)	$ (155,409)