Fair Value of Financial Instruments - Deferred Compensation Plan, Commodity Hedging Agreements (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 30, 2012	Jul. 01, 2012
Level 1 [Member]
Assets
Deferred compensation plan assets	$ 14,801	$ 13,011	$ 12,164
Liabilities
Deferred compensation plan liabilities	14,801	13,011	12,164
Level 2 [Member] \| Commodity Hedging Agreements [Member]
Assets
Commodity hedging agreements	$ 0	$ 500	$ 0

Fair value before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=28370219&loc=SL20226000-175313

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 50

-Paragraph 3

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=20225523&loc=SL20225862-175312

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (a),(c)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

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