XML 37 R61.htm IDEA: XBRL DOCUMENT v3.2.0.727
Derivative Financial Instruments - Additional Information (Detail)
6 Months Ended
Jun. 28, 2015
USD ($)
Dec. 28, 2014
Agreement
Jun. 29, 2014
Agreement
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Number of outstanding derivative transactions | Agreement   0  
Number of offsetting derivative transactions with counterparties | Agreement     0
Derivative assets, gross $ 1,800,000    
Derivative liabilities, gross 1,900,000    
Commodity Hedging Agreements [Member]      
Derivative Instruments and Hedging Activities Disclosures [Line Items]      
Notional Amount $ 85,600,000    
Latest Maturity December 2016