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Taxes on Income - Additional Information (Detail) - USD ($)
 12 Months Ended
Dec. 29, 2016
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Taxes [Line Items]        
Undistributed earnings of foreign subsidiaries   $ 146,172,000    
Unrecognized tax benefits   3,784,000 $ 3,076,000 $ 2,859,000
Accrued interest related to unrecognized tax benefits   130,000 54,000  
Accrue penalties related to unrecognized tax benefits   0 $ 0  
Net operating loss carryforwards, federal   $ 10,066,000    
Loss carryforwards begin to expire   2030    
Excess tax benefits from stock option exercises   $ 8,662,000    
Income not eligible for Approved Enterprise benefits        
Income Taxes [Line Items]        
Effective income tax rate   25.00% 26.50% 26.50%
Israel | January 1, 2017        
Income Taxes [Line Items]        
Effective income tax rate 25.00%      
Israel | January 1, 2018        
Income Taxes [Line Items]        
Effective income tax rate 23.00%      
Israel | Tax Year 2016        
Income Taxes [Line Items]        
Effective income tax rate 24.00%      
Israel | Foreign ownership exceeds 90%        
Income Taxes [Line Items]        
Effective income tax rate   10.00%    
Israel | Foreign ownership exceeds 49%        
Income Taxes [Line Items]        
Effective income tax rate   20.00%    
Israel | Minimum        
Income Taxes [Line Items]        
Tax exemption period, undistributed income   2 years    
Israel | Maximum        
Income Taxes [Line Items]        
Effective income tax rate   25.00%    
Tax exemption period, undistributed income   10 years    
Ireland        
Income Taxes [Line Items]        
Effective income tax rate   12.50%    
Open tax years   Subject to review by the applicable taxing authorities for the Irish subsidiary, are 2011 and subsequent years.    
Net operating loss carryforwards, foreign   $ 62,306,000    
Ireland | Interest income        
Income Taxes [Line Items]        
Effective income tax rate   25.00%    
France        
Income Taxes [Line Items]        
Effective income tax rate   33.33%    
Open tax years   Subject to review by the applicable taxing authorities for the French subsidiaries, are 2014 and subsequent years.    
Net operating loss carryforwards, foreign   $ 3,875,000    
California state        
Income Taxes [Line Items]        
Loss carryforwards begin to expire   2017    
Net operating loss carryforwards   $ 6,952,000    
Excess tax benefits from stock option exercises   $ 5,581,000