Annual report pursuant to Section 13 and 15(d)

Employee Retirement Plan and Deferred Compensation Plan - Additional Information (Detail)

v2.4.0.8
Employee Retirement Plan and Deferred Compensation Plan - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
1 Months Ended 12 Months Ended
Jan. 31, 2010
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Postemployment Benefits [Abstract]        
Minimum service period required to cover under plan   1 month    
Employee's salary subscription rate   6.00%    
Contributions vest in annual installments   3 years    
Discretionary contributions   $ 266 $ 324 $ 300
Defer up to under deferred compensation plan of base salary 90.00%      
Defer up to under deferred compensation plan of annual earned bonus 100.00%      
Deferred compensation plan vested 100.00%      
Eligible contributions to deferred compensation plan 50.00%      
Deferred compensation plan - company matching contribution percentage maximum (at fifty cents per dollar) 2.00%      
Deferred compensation plan assets   876,000 697  
Deferred compensation plan associated liabilities   838,000 651  
Change in associated liabilities, Employee contribution   126 520  
Change in associated liabilities, Company contribution   38 109  
Change in the cash surrender value   73 34  
Change in earnings   104    
Offset by distribution   $ 82