Reconciliation of Changes in Accrued Liabilities Associated with Restructuring Program (Detail) (LMA Restructuring Program, USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Restructuring Cost and Reserve [Line Items]
Balance at December 31, 2012	$ 2,033
Subsequent accruals	2,655
Cash payments	(1,261)
Foreign currency translation	(52)
Balance at March 31, 2013	3,375
Termination Benefits
Restructuring Cost and Reserve [Line Items]
Balance at December 31, 2012	1,744
Subsequent accruals	2,024
Cash payments	(977)
Foreign currency translation	(25)
Balance at March 31, 2013	2,766
Facility Closure Costs
Restructuring Cost and Reserve [Line Items]
Subsequent accruals	81
Foreign currency translation	(2)
Balance at March 31, 2013	79
Contract Termination Costs
Restructuring Cost and Reserve [Line Items]
Balance at December 31, 2012	277
Subsequent accruals	442
Cash payments	(279)
Foreign currency translation	(14)
Balance at March 31, 2013	426
Other Restructuring Costs
Restructuring Cost and Reserve [Line Items]
Balance at December 31, 2012	12
Subsequent accruals	108
Cash payments	(5)
Foreign currency translation	(11)
Balance at March 31, 2013	$ 104