Annual report pursuant to Section 13 and 15(d)

Commitments And Contingencies (Narrative) (Details)

v2.4.0.6
Commitments And Contingencies (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 29, 2012
Dec. 31, 2011
Jan. 01, 2011
Commitments And Contingencies [Line Items]      
Total rent expense $ 6,452 $ 6,410 $ 4,442
Minimum employee age to partake in 401(k) 18 years    
Requisite service period to partake in 401(k) 1 month    
Employers' maximum contribution of employee's compensation 6.00%    
Requisite service in order to cliff vest 2 years    
Contributions made by the Company $ 1,024 $ 979 $ 900
First Portion Match [Member]
     
Commitments And Contingencies [Line Items]      
Employers' percentage match of employee's contribution percentage 100.00%    
Percentage of employee's gross pay that is matched by the employer 1.00%    
Second Portion Match [Member]
     
Commitments And Contingencies [Line Items]      
Employers' percentage match of employee's contribution percentage 50.00%    
Percentage of employee's gross pay that is matched by the employer 1.00%    
Buildings [Member]
     
Commitments And Contingencies [Line Items]      
Lease expiration date 2019    
Equipment [Member]
     
Commitments And Contingencies [Line Items]      
Lease expiration date 2016