Summary of Significant Accounting Policies (Tables)

12 Months Ended

May 29, 2011

Summary of Significant Accounting Policies [Abstract]

Property, plant and equipment's estimated useful lives of the respective classes of assets

Land improvements	1 - 40 years
Buildings	15 - 40 years
Machinery and equipment	3 - 20 years
Furniture, fixtures, office equipment and other	5 - 15 years

Balances in accumulated other comprehensive income (loss), net of tax

							Unrealized
							Loss on
	Currency						Available-
	Translation			Net			For-Sale
	Adjustment,			Derivative			Securities, Net						Accumulated
	Net of			Adjustment, Net			of			Pension and			Other
	Reclassification			of Reclassification			Reclassification			Postretirement			Comprehensive
	Adjustments			Adjustments			Adjustments			Adjustments			Income (Loss)
Balance at May 25, 2008	$	122.7		$	(0.5	)	$	(1.1	)	$	165.4		$	286.5
Current-period change		(70.1	)		(0.7	)		(0.1	)		(319.3	)		(390.2	)
Balance at May 31, 2009		52.6			(1.2	)		(1.2	)		(153.9	)		(103.7	)
Current-period change		(3.7	)		0.2			—			(178.1	)		(181.6	)
Balance at May 30, 2010		48.9			(1.0	)		(1.2	)		(332.0	)		(285.3	)
Current-period change		45.7			(7.2	)		(0.1	)		24.2			62.6
Balance at May 29, 2011	$	94.6		$	(8.2	)	$	(1.3	)	$	(307.8	)	$	(222.7	)

Summary of income tax expense (benefit) on components of other comprehensive income (loss)

	2011			2010			2009
Net derivative adjustment	$	(4.2	)	$	0.1		$	(0.4	)
Unrealized losses on available-for-sale securities		(0.1	)		—			(0.3	)
Reclassification adjustment for losses included in net income		—			—			0.2
Pension and postretirement healthcare liabilities		16.3			(108.5	)		(178.4	)