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Stockholders' Equity and Stock-Based Compensation - Textual (Details) - USD ($)
2 Months Ended 12 Months Ended
May 23, 2017
Feb. 28, 2018
Dec. 30, 2017
Dec. 31, 2016
Dec. 26, 2015
Nov. 15, 2017
May 29, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares of common stock authorized     47,000,000 47,000,000      
Common stock, par value per share     $ 0.001 $ 0.001      
Shares of preferred stock authorized     3,000,000 3,000,000      
Preferred stock, par value per share     $ 0.001 $ 0.001      
Maximum amount of common stock approved to repurchase, Value             $ 20,000,000
Remaining shares available for future repurchase (in shares)     $ 23,001,000 $ 4,400,000 $ 4,397,000    
Number of shares of common stock repurchased     1,065,848   111,050    
Weighted average price per share     $ 25.33   $ 15.49    
Cost of repurchase     $ 26,999,000   $ 1,721,000    
Number of options granted     0 0 0    
Closing stock price     $ 24.92        
Intrinsic value of options exercised     $ 3,100,000 $ 2,700,000 $ 1,600,000    
Fair value of options vested     300,000 700,000 1,500,000    
Excess tax benefit     0 $ 1,000,000 $ 0    
Maximum [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Unrecognized compensation costs     $ 100,000        
2005 Equity Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of shares of common stock authorized 1,000,000   8,292,594        
Share-based compensation plan, extended throguh 2027            
Employee Stock Purchase Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Maximum percentage of salary withholdings     10.00%        
Purchase price of common stock, percent     85.00%        
Shares remaining for issuance under the ESPP     500,000        
Shares purchased under the ESPP     122,298 212,619 125,504    
Weighted average price of shares issued (in dollars per share)     $ 21.19 $ 14.29 $ 13.98    
Stock Options [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Weighted average remaining amortization period for unrecognized compensation costs     1 month 6 days        
Restricted Stock Units (RSUs) [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Weighted average remaining amortization period for unrecognized compensation costs     1 year 9 months        
Shares per unit granted     1.7        
Granted (in shares)     454,600 476,667      
Unrecognized compensation costs     $ 12,500,000        
Cancelled (in shares)     96,494 54,253      
Restricted Stock Units (RSUs) [Member] | Key Employees [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Granted (in shares)     454,600 476,667      
Restricted Stock Units (RSUs) [Member] | Maximum [Member] | Key Employees [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Period of vesting     3 years        
Restricted Stock Units (RSUs) [Member] | 2005 Equity Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Granted (in shares)     772,820        
Cancelled (in shares)     164,040        
Performance-Based Restricted Stock Units (PSUs) [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Granted (in shares)     122,050 67,500      
Percent of granted shares that will vest if target stock price performance is achieved     66.70%        
Maximum percent of granted shares that will vest if maximum stock price performance is achieved     100.00%        
Cumulative maximum number of shares expected to vest for all measurement period     62,500        
Cancelled (in shares)     61,100 6,667      
Performance-Based Restricted Stock Units (PSUs) [Member] | Tranche One [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Period of vesting     1 year        
Performance-Based Restricted Stock Units (PSUs) [Member] | Tranche Two [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Period of vesting     2 years        
Performance-Based Restricted Stock Units (PSUs) [Member] | Tranche Three [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Period of vesting     3 years        
Performance-Based Restricted Stock Units (PSUs) [Member] | 2005 Equity Incentive Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Granted (in shares)     207,485        
Cancelled (in shares)     103,870        
Share Repurchase Plan [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Maximum amount of common stock approved to repurchase, Value           $ 50,000,000  
Stock repurchase program, effective date     Nov. 20, 2017        
Share Repurchase Plan [Member] | Subsequent Event [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Stock repurchase program completed month and year   2018-02          
Number of shares of common stock repurchased   896,187          
Weighted average price per share   $ 25.65          
Cost of repurchase   $ 23,000,000