Notes Receivable (Narrative) (Detail) (USD $)	12 Months Ended
Dec. 25, 2011	Dec. 26, 2010	Dec. 27, 2009
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans outstanding, net of allowance for doubtful accounts	$ 15,700,000	$ 17,400,000
Notes receivable, average interest rate	5.80%
Interest income on franchisee loans	665,000	794,000	535,000
Allowance for uncollectible notes receivable	$ 5,905,000	$ 9,951,000	$ 10,858,000

For an unclassified balance sheet, an amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date, net of any write-downs taken for collection uncertainty on the part of the holder. Such amount may include accrued interest receivable in accordance with the terms of the note. The note also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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