Annual report pursuant to Section 13 and 15(d)

Employee Benefit Programs (Details)

v2.4.0.6
Employee Benefit Programs (Details) (USD $)
 12 Months Ended 12 Months Ended 132 Months Ended
Dec. 30, 2012
Dec. 25, 2011
Dec. 26, 2010
Dec. 30, 2012
Employee Deferred Compensation Plan
Dec. 25, 2011
Employee Deferred Compensation Plan
Dec. 30, 2012
Employee Stock Purchase Plan
Dec. 25, 2011
Employee Stock Purchase Plan
Dec. 31, 2012
Employee Stock Purchase Plan
Employee Stock Purchase Plan                
Maximum percentage of base compensation that can be contributed by the eligible team members           15.00%    
Estimated subscription date fair value (as a percent)           85.00%    
Requisite employment period to be eligible to participate in the plan           1 year    
Requisite working hours per week to be eligible to participate in the plan           20 hours    
Operational period of the plan           6 months    
Number of shares available for issuance under the plan           300,000    
Number of shares issued under the plan           24,786   206,674
Number of shares available for future issuance under the plan           93,326    
Assumptions used to estimate the fair value of the stock purchase plan                
Risk-free interest rate (as a percent)           0.17% 0.18%  
Expected life           6 months 6 months  
Expected volatility (as a percent)           48.45% 60.40%  
Dividend yield (as a percent)           0.00% 0.00%  
Weighted average fair value per share at grant date (in dollars per share)           $ 7.77 $ 5.28  
Compensation expense $ 3,800,000 $ 3,300,000 $ 4,100,000     $ 200,000 $ 100,000  
Employee Deferred Compensation Plan                
Deferred payment, participant limit per calendar year as a percentage of base salary       75.00%        
Deferred payment, participant limit per calendar year as a percentage of variable compensation and commissions       100.00%        
Liability for participant contributions and investment income       3,000,000 2,600,000      
Cash surrender value of company-owned whole-life insurance contracts       2,900,000 2,500,000      
Employee Defined Contribution Plan                
Minimum age of employees to be eligible to participate in defined contribution plan 21 years              
Percentage of matching contribution 25.00%              
Percentage of maximum compensation matched by employer 4.00%              
Matching contribution expense $ 300,000 $ 300,000