Quarterly report pursuant to Section 13 or 15(d)

Derivative Financial Instruments - Additional Information (Detail)

v2.4.0.8
Derivative Financial Instruments - Additional Information (Detail) (USD $)
6 Months Ended
Jun. 28, 2014
Swap
Dec. 31, 2013
Industrial Revenue Bond [Member]
   
Derivative Instruments, Gain (Loss) [Line Items]    
Notional amount of interest rate swap $ 1,500,000  
Number of interest rate swap 1  
Interest of interest rate swap 3.99%  
Derivative, date inception Feb. 06, 2006  
Derivative, date maturity Feb. 01, 2016  
Fair value of interest rate derivative liabilities $ 100,000 $ 100,000
Term Note [Member]
   
Derivative Instruments, Gain (Loss) [Line Items]    
Derivative, date inception Mar. 19, 2009  
Derivative, date issued Jan. 30, 2009