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Significant Accounting Policies - Additional Information (Detail)
 12 Months Ended
Dec. 31, 2016
USD ($)
Segment
shares
Dec. 31, 2015
USD ($)
shares
Dec. 31, 2014
USD ($)
shares
Mar. 31, 2017
USD ($)
Jan. 01, 2017
USD ($)
Significant Accounting Policies [Line Items]          
Number of operating segments | Segment 1        
Goodwill impairment losses $ 0 $ 0 $ 0    
Provision for estimated sales returns, rebates, stock rotations, and other customer rights 16,104,000 14,130,000      
Severance expenses $ 8,165,000 7,140,000 6,726,000    
Maximum percentage of annual compensation contributed by employees towards employee benefit plan 50.00%        
Maximum amount contributed by employees toward employee benefit plan $ 18,000        
Additional amount contributed by employees aged 50 and over towards employee benefit plan $ 6,000        
Percentage of employee contributions contributed by employer towards employee benefit plan 50.00%        
Maximum percentage of employee's eligible compensation 4.50%        
Contributions by employer $ 2,290,000 1,397,000 1,148,000    
Minimum percentage of tax benefit realized upon settlement 50.00%        
Advertising expenses $ 3,127,000 2,311,000 2,837,000    
Allowance for doubtful accounts 2,255,000 2,101,000      
Bad debt expense (income) 154,000 (1,834,000) (1,932,000)    
Write off of bad debts $ 0 $ 123,000 $ 1,537,000    
Anti-dilutive shares excluded from computation of earnings per share amount | shares 4,232,063 1,594,082 1,746,613    
Subsequent Event | Accounting Standards Update 2016-09 | Deferred Tax Asset          
Significant Accounting Policies [Line Items]          
Cumulative-effect adjustment to increase (decrease) retained earnings and deferred taxes       $ 86,000,000  
Subsequent Event | Accounting Standards Update 2016-09 | Retained earnings          
Significant Accounting Policies [Line Items]          
Cumulative-effect adjustment to increase (decrease) retained earnings and deferred taxes         $ 3,000,000
Foreign Exchange Forward Contracts | Not Designated as Hedging Instrument          
Significant Accounting Policies [Line Items]          
Derivative, notional amount $ 153,318,000 $ 319,380,000      
Gains (losses) from derivatives not designated as hedge (10,000) (52,000)      
Foreign Exchange Forward Contracts | Designated as Hedging Instrument | Cash Flow Hedging          
Significant Accounting Policies [Line Items]          
Derivative, notional amount 51,970,000 25,732,000      
Other comprehensive income, gain (loss) on outstanding forward contracts 53,000 8,000      
Foreign Exchange Forward Contracts | Financial Income | Not Designated as Hedging Instrument          
Significant Accounting Policies [Line Items]          
Derivative, net gain (loss) 1,822,000 378,000 $ (21,970,000)    
Foreign Exchange Forward Contracts | Operating Expenses | Designated as Hedging Instrument | Cash Flow Hedging          
Significant Accounting Policies [Line Items]          
Derivative, net gain (loss) $ 120,000 $ (1,585,000) $ (3,009,000)    
Minimum          
Significant Accounting Policies [Line Items]          
Estimated useful lives of intangible assets 5 years        
Maximum          
Significant Accounting Policies [Line Items]          
Estimated useful lives of intangible assets 20 years