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Restructuring - Summary of Restructuring Activity for All Restructuring Initiatives (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Restructuring Cost And Reserve [Line Items]    
Balance, beginning of period $ 2,547  
Additions, charged to restructuring expenses 12,919 $ 14,772
Cash payments (6,754) (9,694)
Non-cash utilization (2,512) (2,507)
Reclassification to lease liability (112)  
Currency translation (23) (24)
Balance, end of period 6,065 2,547
Employee Separation Costs    
Restructuring Cost And Reserve [Line Items]    
Balance, beginning of period 2,079  
Additions, charged to restructuring expenses 8,056 8,449
Cash payments (4,118) (6,346)
Currency translation (23) (24)
Balance, end of period 5,994 2,079
Accelerated Depreciation and Impairment    
Restructuring Cost And Reserve [Line Items]    
Additions, charged to restructuring expenses 2,512 2,507
Non-cash utilization (2,512) (2,507)
Other Restructuring    
Restructuring Cost And Reserve [Line Items]    
Balance, beginning of period 468  
Additions, charged to restructuring expenses 2,351 3,816
Cash payments (2,636) (3,348)
Reclassification to lease liability (112)  
Balance, end of period $ 71 $ 468