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Equity Plans and Stock-Based Compensation - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
May 28, 2014
Mar. 31, 2017
Mar. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock-based compensation expense   $ 3,821 $ 3,244
Time Based Vesting Schedule      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Total unrecognized compensation cost related to non-vested equity awards   $ 24,400  
Total unrecognized compensation cost, weighted-average vesting period   2 years 1 month 6 days  
Performance Based Vesting Schedule      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Total unrecognized compensation cost related to non-vested equity awards   $ 600  
2014 Employee Stock Purchase Plan      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Shares issued to employees   90,156  
Shares remaining available for future purchases   137,885  
2014 Employee Stock Purchase Plan | The commencement of the offer period (generally, the sixteenth day in February or August)      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Purchase price per share as percentage of fair market value of common stock 85.00%    
2014 Employee Stock Purchase Plan | The exercise date, which is the last day of a purchase period (generally, the fifteenth day in February or August)      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Purchase price per share as percentage of fair market value of common stock 85.00%    
Restricted Stock Units (RSUs)      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Aggregate intrinsic value   $ 11,200  
Performance Based Vesting Condition      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Options and restricted stock units outstanding   110,000  
Employee Stock Option | Minimum      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Options vesting period   3 years  
Expiration period   7 years  
Employee Stock Option | Maximum      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Options vesting period   4 years  
Expiration period   10 years