Shareholders' Equity (Details)	12 Months Ended
Aug. 27, 2011
Shareholders' Equity [Abstract]
Number of classes of common stock	2
Common Stock [Member]
Class of Stock [Line Items]
Number of votes for each share of common stock	1
Cash dividend of Common Stock, as percentage of cash dividend paid on each share of Class B Common Stock (in hundredths)	125.00%
Common Class B [Member]
Class of Stock [Line Items]
Number of votes for each share of common stock	10
Number of shares of Class B Common Stock converted to Common Stock (in shares)	25,592

Cash dividend that each share of Common Stock is entitled to, as a percentage of cash dividend paid on each share of Class B Common Stock.

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- Definition

Represents the number of classes of common stock issued by the Company.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Description of voting rights of common stock. Includes eligibility to vote and votes per share owned. Include also, if any, unusual voting rights.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 129

-Paragraph 4

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 3

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21475-112644

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The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 32

-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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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-Section 50

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-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586

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-Topic 230

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-Section 50

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-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586

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