Corporate Restructuring and Other Organizational Changes - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Restructuring Cost and Reserve [Line Items]
Employee termination costs (adjustments)	$ 2,100,000	$ 3,400,000	$ 3,700,000	$ 9,600,000
Liability is expected to be paid			12 months
Employee termination cost paid during the period			4,258,000	6,000,000
Restructuring charges	1,318,000		1,318,000		1,914,000
EMEA
Restructuring Cost and Reserve [Line Items]
Employee termination costs (adjustments)	300,000	1,600,000	300,000	4,500,000
Asia /Pacific
Restructuring Cost and Reserve [Line Items]
Employee termination costs (adjustments)	300,000	100,000	300,000	800,000
Americas
Restructuring Cost and Reserve [Line Items]
Employee termination costs (adjustments)	1,500,000	1,700,000	3,100,000	4,300,000
Severance
Restructuring Cost and Reserve [Line Items]
Employee termination cost paid during the period			3,790,000
Restructuring charges	552,000		552,000
Facility Closures
Restructuring Cost and Reserve [Line Items]
Employee termination cost paid during the period			468,000
Restructuring charges	$ 766,000		$ 766,000		$ 1,296,000