Activity in Rationalization Reserves (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended								3 Months Ended
	Mar. 31, 2012	Mar. 31, 2012 Prior Years' Rationalization Plans	Mar. 31, 2012 2012 Rationalization Plans	Mar. 31, 2012 Employee Severance and Benefits	Mar. 31, 2012 Employee Severance and Benefits Prior Years' Rationalization Plans	Mar. 31, 2012 Employee Severance and Benefits 2012 Rationalization Plans	Mar. 31, 2012 Plant Exit Costs	Dec. 31, 2011 Plant Exit Costs	Mar. 31, 2012 Plant Exit Costs 2012 Rationalization Plans	Mar. 31, 2012 Non-Cash Asset Write-Down 2012 Rationalization Plans
Restructuring Cost and Reserve [Line Items]
Balance at December 31, 2011	$ 4,596			$ 4,385			$ 211	$ 211
Currency translation	69			69
Total activity	780			780
Balance at March 31, 2012	5,376			5,165			211	211
Rationalization Plan Reserves Established		525	3,078		525	2,314			559	205
Rationalization Plan Reserves Utilized		$ (1,794)	$ (1,098)		$ (1,794)	$ (334)			$ (559)	$ (205)