Significant Accounting Policies - Narrative (Detail) (USD $)	Sep. 23, 2012 Entity	Dec. 25, 2011	Sep. 25, 2011 Entity
Redeemable Noncontrolling Interest [Line Items]
Number of joint venture arrangements	2		2
Mandatorily redeemable noncontrolling interest and redeemable noncontrolling interest holders' equity	$ 16,500,000	$ 15,000,000
Net deferred tax asset	$ 579,000

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b),(c)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 109

-Paragraph 43

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant