Quarterly report pursuant to Section 13 or 15(d)

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

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Employee Retirement Plan and Deferred Compensation Plan - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
1 Months Ended 3 Months Ended
Jan. 31, 2010
Mar. 29, 2014
Mar. 30, 2013
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   $ 70 $ 78
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   876 876
Deferred compensation plan associated liabilities   665 838
Change in associated liabilities, Employee contribution   37 31
Change in associated liabilities, Company contribution   8 9
Change in the cash surrender value     31
Change in earnings   8 33
Offset by distribution and forfeitures   $ 226 $ 47