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Corporate Restructuring and Other Organizational Changes - Additional Information (Detail) (USD $)
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]          
Employee termination costs (adjustments) $ 3,200,000 $ 4,800,000 $ 6,000,000 $ 8,500,000  
Employee termination costs paid during the period     (7,522,000)    
Liability is expected to be paid     12 months    
Restructuring charges 1,632,000   1,632,000   3,341,000
Americas
          
Restructuring Cost and Reserve [Line Items]          
Employee termination costs (adjustments) 1,700,000 3,100,000 3,800,000 6,200,000  
Asia/Pacific
          
Restructuring Cost and Reserve [Line Items]          
Employee termination costs (adjustments) 500,000 100,000 1,000,000 400,000  
EMEA
          
Restructuring Cost and Reserve [Line Items]          
Employee termination costs (adjustments) 1,000,000 1,600,000 1,200,000 1,900,000  
Severance
          
Restructuring Cost and Reserve [Line Items]          
Employee termination costs paid during the period     (6,285,000)    
Restructuring charges 1,135,000   1,135,000   1,470,000
Facility Closures
          
Restructuring Cost and Reserve [Line Items]          
Employee termination costs paid during the period     (1,237,000)    
Restructuring charges 497,000   497,000   1,871,000
Leased facility in Columbus, OH | General and Administrative Expense
          
Restructuring Cost and Reserve [Line Items]          
Lease termination fee $ 800,000   $ 800,000