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Restructuring - Summary of Restructuring Liability (Detail)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
USD ($)
Restructuring Reserve [Roll Forward]  
Beginning Balance $ 1,043
Costs Incurred 5,152
Payments (4,607)
Non-cash (78)
Translation Adjustment 24
Ending Balance 1,534
Cumulative Costs Incurred to Date 10,148
2015 Initiatives | Employee Severance Costs  
Restructuring Reserve [Roll Forward]  
Beginning Balance 455
Costs Incurred 1
Payments (456)
Non-cash 0
Translation Adjustment 0
Ending Balance 0
Cumulative Costs Incurred to Date 4,131
2015 Initiatives | Facility Exit Related Costs  
Restructuring Reserve [Roll Forward]  
Beginning Balance 588
Costs Incurred 862
Payments (469)
Non-cash 0
Translation Adjustment 0
Ending Balance 981
Cumulative Costs Incurred to Date 1,728
2017 Initiatives | Employee Severance Costs  
Restructuring Reserve [Roll Forward]  
Beginning Balance 0
Costs Incurred 3,351
Payments (3,088)
Non-cash 0
Translation Adjustment 24
Ending Balance 287
Cumulative Costs Incurred to Date 3,351
2017 Initiatives | Facility Exit Related Costs  
Restructuring Reserve [Roll Forward]  
Beginning Balance 0
Costs Incurred 283
Payments (268)
Non-cash 91
Translation Adjustment 0
Ending Balance 106
Cumulative Costs Incurred to Date 283
2017 Initiatives | Other Related Costs  
Restructuring Reserve [Roll Forward]  
Beginning Balance 0
Costs Incurred 655
Payments (326)
Non-cash (169)
Translation Adjustment 0
Ending Balance 160
Cumulative Costs Incurred to Date $ 655