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Derivative Financial Instruments - Summary of Pre-Tax Changes in Fair Value (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012
Derivative Instruments, Gain (Loss) [Line Items]
Total	$ (500)	$ 500	$ (6,837)
S,D&A Expenses [Member] | Commodity Hedging Agreements [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Total	0	0	(171)
Cost of Sales [Member] | Commodity Hedging Agreements [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Total	$ (500)	$ 500	$ (6,666)

X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4A

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (a),(c),(d),(e)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959

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- Details

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