Summary of Significant Accounting Policies (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
May 27, 2012	May 29, 2011	May 30, 2010
Summary of Significant Accounting Policies (Textual) [Abstract]
Number of weeks in fiscal year	52 week	52 week	52 week
Highly liquid investments with an original maturity	3 months
Maximum investment in unconsolidated affiliates	50.00%
Defined benefit plan corridor percentage	10.00%
Maximum Percentage of qualitative factors which estimate fair value is less than its carrying amount	50.00%
Advertising and promotion expenses	$ 364.5	$ 371.9	$ 409.1
Research and Development expenses	86.0	81.4	77.9
Reclassified of foreign currency translation net gains to net income	6.0	1.6
Net foreign currency transaction gains (losses) from continuing operations	$ (3.9)	$ 3.9	$ (6.2)

Defined benefit plan corridor percentage.

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Highly liquid investments with an original maturity.

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Maximum percentage of qualitative factors which estimate fair value is less than its carrying amount.

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Number of week in fiscal year.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 159

-Paragraph 18

-Subparagraph f

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-Name Accounting Standards Codification

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-Name Accounting Principles Board Opinion (APB)

-Number 18

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The aggregate foreign currency transaction gain (loss) (both realized and unrealized) included in determining net income for the reporting period. Excludes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. For certain enterprises, primarily banks, that are dealers in foreign exchange, foreign currency transaction gains (losses) may be disclosed as dealer gains (losses).

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The total expense recognized in the period for promotion, public relations, and brand or product advertising.

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-Topic 225

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-03.4)

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Before tax amount of the income statement impact of the reclassification adjustment for translation gain (loss) realized upon the sale or complete or substantially complete liquidation of an investment in a foreign entity. Also includes reclassification adjustments on foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.

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-Name Accounting Research Bulletin (ARB)

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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