Debt (Components Of Long-Term Debt) (Details) - USD ($) $ in Millions	May 31, 2020	May 26, 2019
Debt Instruments [Line Items]
Total long-term debt	$ 939.1	$ 939.1
Less unamortized discount and issuance costs	(10.3)	(11.4)
Total long-term debt less unamortized discount and issuance costs	928.8	927.7
3.850% senior notes due May 2027
Debt Instruments [Line Items]
Total long-term debt	$ 500.0	500.0
Debt instrument, interest rate (percentage)	3.85%
6.000% senior notes due August 2035
Debt Instruments [Line Items]
Total long-term debt	$ 96.3	96.3
Debt instrument, interest rate (percentage)	6.00%
6.800% senior notes due October 2037
Debt Instruments [Line Items]
Total long-term debt	$ 42.8	42.8
Debt instrument, interest rate (percentage)	6.80%
4.550% senior notes due February 2048
Debt Instruments [Line Items]
Total long-term debt	$ 300.0	$ 300.0
Debt instrument, interest rate (percentage)	4.55%

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after accumulated amortization, of debt discount.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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