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Corporate Restructuring and Other Organizational Changes - Components of Corporate Restructuring and Other Reorganization Activities from Recent Acquisitions (Detail)
$ in Thousands
 6 Months Ended
Jun. 30, 2015
USD ($)
Restructuring Cost and Reserve [Line Items]  
Beginning balance $ 2,793
Restructuring charges incurred 1,338
Amounts paid during the period (2,315)
Foreign currency translation (21)
Ending balance 1,795
Severance [Member]  
Restructuring Cost and Reserve [Line Items]  
Beginning balance 2,341
Restructuring charges incurred 1,338
Amounts paid during the period (2,224)
Foreign currency translation (21)
Ending balance 1,434
Facility Closures [Member]  
Restructuring Cost and Reserve [Line Items]  
Beginning balance 452
Amounts paid during the period (91)
Ending balance $ 361