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Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jul. 01, 2017
Jul. 02, 2016
Jul. 01, 2017
Jul. 02, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation arrangement by share-based payment award, percentage of outstanding stock maximum     5.00%  
Share-based compensation arrangement by share-based payment award, percentage of outstanding and available for grant, maximum     10.00%  
Compensation expense, share-based payment plans $ 1,462 $ 678 $ 2,448 $ 1,324
Stock split, conversion ratio     2  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]        
Volatility rate     10.30% 10.60%
Risk-free interest rate     2.20% 1.80%
Expected dividend yield     0.70% 0.70%
Expected life of awards (years)     8 years 10 months 24 days 9 years 6 months
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]        
Outstanding, beginning balance [1]     1,599,296  
Granted [1]     148,500  
Exercised [1]     (74,420)  
Forfeited [1]     (64,574)  
Outstanding, ending balance [1] 1,608,802   1,608,802  
Exercisable, ending balance [1] 869,302   869,302  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]        
Outstanding, weighted average exercise price, beginning balance [1]     $ 12.49  
Granted, weighted average exercise price [1]     17.6  
Exercised, weighted average exercise price [1]     10.40  
Forfeited, weighted average exercise price [1]     12.75  
Outstanding, weighted average exercise price, ending balance [1] $ 13.05   13.05  
Exercisable, weighted average exercise price, ending balance [1] $ 11.23   $ 11.23  
Exercisable, weighted average remaining contractual life (years)     5 years 4 months 24 days  
Outstanding, aggregate intrinsic value $ 7,320   $ 7,320  
Exercisable, aggregate intrinsic value 5,537   5,537  
Outstanding, unrecognized compensation cost $ 1,438   $ 1,438  
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized, period for recognition     2 years 3 months 18 days  
Employee stock purchase plan [Domain]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense, share-based payment plans     $ 415 $ 337
Employee stock purchase plan, service period     1 year  
Employee stock purchase plan, percentage of market price, purchase date     85.00%  
Employee stock purchase plan, discount from market price, purchase date     15.00%  
Stock option plans [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense, share-based payment plans     $ 395 270
Stock options awarded, term (years)     10 years  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]        
Outstanding, weighted average remaining contractual life (years)     6 years 8 months 12 days  
Stock-settled stock appreciation rights (SSARs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense, share-based payment plans     $ 757 292
Share-based compensation arrangement by share-based payment award, award vesting period     5 years  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]        
Unvested, beginning balance [1]     743,662  
Granted [1]     152,000  
Forfeited [1]     0  
Vested [1]     (240,546)  
Unvested, ending balance [1] 655,116   655,116  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]        
Unvested, weighted average award date value, beginning balance [1]     $ 2.75  
Granted, weighted average award date value [1]     3.57  
Forfeited, weighted average award date value [1]     0  
Vested, weighted average award date value [1]     2.59  
Unvested, weighted average award date value, ending balance [1] $ 3.00   $ 3.00  
Weighted average remaining contractual life (years)     2 years 8 months 12 days  
Unrecognized compensation cost $ 1,301   $ 1,301  
Aggregate intrinsic value $ 11,530   $ 11,530  
Employee SSARs [Member]        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]        
Unvested, ending balance [1] 655,116   655,116  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]        
Unvested, weighted average award date value, ending balance [1] $ 3.00   $ 3.00  
Weighted average remaining contractual life (years)     2 years 8 months 12 days  
Unrecognized compensation cost $ 1,301   $ 1,301  
Aggregate intrinsic value $ 11,530   11,530  
Restricted stock units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense, share-based payment plans     $ 881 $ 425
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]        
Unvested, beginning balance [1]     304,958  
Granted [1]     80,350  
Forfeited [1]     0  
Vested [1]     (49,964)  
Unvested, ending balance [1] 335,344   335,344  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]        
Unvested, weighted average award date value, beginning balance [1]     $ 13.22  
Granted, weighted average award date value [1]     17.01  
Forfeited, weighted average award date value [1]     0  
Vested, weighted average award date value [1]     11.38  
Unvested, weighted average award date value, ending balance [1] $ 14.40   $ 14.40  
Weighted average remaining contractual life (years)     2 years 9 months 18 days  
Unrecognized compensation cost $ 2,604   $ 2,604  
Aggregate intrinsic value $ 5,902   $ 5,902  
[1] Adjusted for two-for-one stock split