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Employee Benefit Plans, Stock Option Disclosures (Details) (USD $)
Share data in Thousands, except Per Share data, unless otherwise specified
 12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Fair Value Assumptions [Abstract]      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate 1.92% 0.00% 0.00%
Summary of Stock Option Activity [Roll Forward]      
Vested and unvested expected to vest at end of year (in shares) 393    
Options exercisable at end of year (in shares) 217    
Weighted Average Exercise Price [Roll Forward]      
Options exercisable, end of year (in dollars per share) $ 17.84    
Additional Disclosures [Abstract]      
Weighted average remaining contractual life, vested and unvested expected to vest, end of year 7 years 6 months    
Weighted average remaining contractual life, options exercisable, end of year 6 years 8 months 12 days    
Aggregate intrinsic value, vested and unvested expected to vest end of year $ 7,841,000    
Aggregate intrinsic value, options exercisable, end of year 4,992,000    
Share price (in dollars per share) $ 40.79    
Stock Option Awards [Member]
      
Employee Service Share-based Compensation [Line Items]      
Award vesting period stock options vest in three equal annual installments beginning on the first anniversary of the grant date, provided that the recipient remains employed by the Company on the applicable vesting dates    
Compensation cost not yet recognized 1,219,000    
Compensation cost not yet recognized, period for recognition 1 year 9 months 18 days    
Fair Value Assumptions [Abstract]      
Weighted-average exercise price (in dollars per share) $ 25.98 $ 21.91 $ 24.90
Weighted average grant date fair value (in dollars per share) $ 11.33 $ 11.69 $ 12.85
Volatility (in hundredths) 51.00% 50.00% 45.00%
Risk-free interest rate (in hundredths) 1.25% 1.38% 2.86%
Expected life of options 7 years 7 months 6 days 7 years 7 months 6 days 7 years 4 months 24 days
Summary of Stock Option Activity [Roll Forward]      
Options outstanding at beginning of year (in shares) 300 235 161
Granted (in shares) 93 83 82
Exercised (in shares)   (18) (8)
Options outstanding at end of period (in shares) 393 300 235
Weighted Average Exercise Price [Roll Forward]      
Options outstanding at beginning of year (in dollars per share) $ 19.23 $ 18.15 $ 14.82
Granted (in dollars per share) $ 25.98 $ 21.91 $ 24.90
Exercised (in dollars per share)   $ 17.54 $ 20.01
Options outstanding at end of year (in dollars per share) $ 20.82 $ 19.23 $ 18.15
Vested and unvested expected to vest at end of year (in dollars per share) $ 20.82    
Additional Disclosures [Abstract]      
Weighted average remaining contractual life, options outstanding at end of year 7 years 6 months    
Aggregate intrinsic value, options outstanding at end of year 7,841,000    
Summary of Stock Options Exercised [Abstract]      
Total intrinsic value of options exercised 0 119,000 39,000
Cash received from options exercised $ 0 $ 319,000 $ 150,000