Schedule II (Details) (USD $) In Millions	12 Months Ended
	May 29, 2011	May 30, 2010	May 31, 2009
Valuation And Qualifying Accounts Disclosure [Line Items]
Valuation Allowances And Reserves Charged To Other Accounts	$ 0.5	$ (55.7)	$ (83.1)
Allowance For Doubtful Accounts Member
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	15.8	17.8	16.4
Valuation Allowances and Reserves, Charged to Cost and Expense, Total	12.7	1.9	13.8
Valuation Allowances and Reserves, Deductions	12.1	1.6	13.0
Valuation Allowances And Reserves Adjustments	(0.1)	(2.3)	0.6
Balance at end of year	16.3	15.8	17.8
Valuation Allowance Of Deferred Tax Assets Member
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	392.0	440.4	521.5
Valuation Allowances and Reserves, Charged to Cost and Expense, Total	12.0	7.3	2.0
Balance at end of year	404.5	392.0	440.4
Business Restructuring Reserves Member
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	10.8	18.8	7.9
Valuation Allowances and Reserves, Charged to Cost and Expense, Total	0	1.0	15.8
Valuation Allowances and Reserves, Deductions	3.6	9.0	4.9
Balance at end of year	7.2	10.8	18.8
Inventory LIFO Reserve Member
Valuation And Qualifying Accounts Disclosure [Line Items]
Balance at beginning of year	142.3	149.3	125.8
Balance at end of year	168.5	142.3	149.3
Valuation Allowances And Reserves Period Increase Decrease	$ 26.2	$ (7.0)	$ 23.5