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Quarterly Financial Data (Unaudited) - Schedule of Quarterly Financial Data (Parenthetical) (Detail) (USD $)
 12 Months Ended 3 Months Ended
Dec. 29, 2013
Dec. 30, 2012
Jan. 01, 2012
Mar. 31, 2013
Quarterly Financial Data [Member]
American Taxpayer Relief Act [Member]
Sep. 29, 2013
Quarterly Financial Data [Member]
State Tax Legislation [Member]
Sep. 29, 2013
Quarterly Financial Data [Member]
2012 CTM Refund [Member]
Mar. 31, 2013
Quarterly Financial Data [Member]
Commodity Hedging Program [Member]
Dec. 30, 2012
Quarterly Financial Data [Member]
Commodity Hedging Program [Member]
Sep. 30, 2012
Quarterly Financial Data [Member]
Commodity Hedging Program [Member]
Sep. 29, 2013
Quarterly Financial Data [Member]
Uncertain Tax Positions [Member]
Dec. 30, 2012
Quarterly Financial Data [Member]
Deferred Income Tax Valuation Allowance [Member]
Apr. 01, 2012
Quarterly Financial Data [Member]
Deferred Income Tax Valuation Allowance [Member]
Dec. 29, 2013
Lump Sum Pension Distribution [Member]
Quarterly Financial Data [Member]
Condensed Financial Statements, Captions [Line Items]                          
Net income (loss)             $ (500,000) $ (500,000) $ 1,000,000       $ (12,000,000)
Net income, net of tax             (300,000) (300,000) 600,000       (7,300,000)
Earnings per share             $ (0.03) $ (0.03) $ 0.07       $ (0.79)
Income tax expense 12,142,000 21,889,000 19,528,000 (400,000) (2,300,000)         (900,000) 600,000 700,000  
Earning per basic common share       $ (0.04) $ (0.24)         $ (0.1)      
Net income           3,100,000              
Net income, net of tax           $ 1,900,000              
Earnings per share           $ 0.20              
Earning per basic common share                     $ 0.07 $ 0.08