Corporate Restructuring and Other Organizational Changes - Additional Information (Detail) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]
Employee termination costs (adjustments)	$ 1,000,000	$ 2,100,000	$ 2,800,000	$ 3,700,000
Employee termination costs paid during the period			4,216,000
Liability is expected to be paid			12 months
Restructuring charges	1,726,000		1,726,000		3,341,000
Americas
Restructuring Cost and Reserve [Line Items]
Employee termination costs (adjustments)	400,000	1,500,000	2,100,000	3,100,000
Asia/Pacific
Restructuring Cost and Reserve [Line Items]
Employee termination costs (adjustments)	400,000	300,000	500,000	300,000
EMEA
Restructuring Cost and Reserve [Line Items]
Employee termination costs (adjustments)	200,000	300,000	200,000	300,000
Severance
Restructuring Cost and Reserve [Line Items]
Employee termination costs paid during the period			3,270,000
Restructuring charges	997,000		997,000		1,470,000
Facility Closures
Restructuring Cost and Reserve [Line Items]
Employee termination costs paid during the period			946,000
Restructuring charges	$ 729,000		$ 729,000		$ 1,871,000