Business Acquisitions, Investments and Redeemable Noncontrolling Interests (Details 3) (USD $) In Thousands, unless otherwise specified				0 Months Ended
Dec. 01, 2012	Dec. 03, 2011	Dec. 29, 2010 TransWeb [Member]	Dec. 29, 2010 TransWeb [Member] Customer relationships [Member]	Dec. 29, 2010 TransWeb [Member] Developed technology [Member]	Dec. 29, 2010 TransWeb [Member] Non-compete agreements [Member]	Dec. 29, 2010 TransWeb [Member] Trade names and trademarks - indefinite lived [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Trade names and trademarks - indefinite lived	$ 42,332	$ 42,525					$ 900
Acquired Finite-lived Intangible Asset, Amount			$ 12,100	$ 8,500	$ 3,500	$ 100
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life				12 years	12 years	2 years

The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 44

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Carrying amount (original costs adjusted for previously recognized amortization and impairment) as of the balance sheet date for the rights acquired through registration of a trademark to gain or protect exclusive use of a business name, symbol or other device or style for a projected indefinite period of benefit.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275

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