Activity in Rationalization Reserves (Detail) (USD $) In Thousands	9 Months Ended
	Sep. 30, 2011
Restructuring Cost and Reserve [Line Items]
Balance at December 31, 2010	$ 11,273
Prior Years' Rationalization Plan Reserves Established	4,782
Prior Years' Rationalization Plan Reserves Utilized	(11,928)
Currency Translation	608
Total Activity	(6,538)
Balance at September 30, 2011	4,735
Employee Severance and Benefits
Restructuring Cost and Reserve [Line Items]
Balance at December 31, 2010	11,056
Prior Years' Rationalization Plan Reserves Established	2,903
Prior Years' Rationalization Plan Reserves Utilized	(10,166)
Currency Translation	608
Total Activity	(6,655)
Balance at September 30, 2011	4,401
Retirement Benefit Curtailments
Restructuring Cost and Reserve [Line Items]
Prior Years' Rationalization Plan Reserves Established	(449)
Prior Years' Rationalization Plan Reserves Utilized	449
Plant Exit Costs
Restructuring Cost and Reserve [Line Items]
Balance at December 31, 2010	217
Prior Years' Rationalization Plan Reserves Established	776
Prior Years' Rationalization Plan Reserves Utilized	(659)
Total Activity	117
Balance at September 30, 2011	334
Non-Cash Asset Write-Down
Restructuring Cost and Reserve [Line Items]
Prior Years' Rationalization Plan Reserves Established	1,552
Prior Years' Rationalization Plan Reserves Utilized	$ (1,552)