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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-02.22(a)(1))

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Gross amount of debt extinguished.

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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-Name Accounting Standards Codification

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Reflects the difference between the fair value of payments made to legally extinguish a debt and its carrying value at that time. This item excludes the write-off of amounts previously capitalized as debt issuance costs.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Long-Term Debt (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended		3 Months Ended
	Feb. 22, 2015	Feb. 23, 2014	Feb. 22, 2015
Debt Instrument [Line Items]
Loss on extinguishment of debt	$ 91.3	$ 0
Long-term Debt
Debt Instrument [Line Items]
Extinguishment of debt, amount	1,010.0
Loss on extinguishment of debt	91.3		0.8
Expense (benefit) for cash components for repurchase premiums and make-whole amountsnguishment costs	44.0		(0.4)
Non-cash charges on extinguishment of debt	47.3		1.2
Long-term Debt \| 7.125% Senior Note due February 2016
Debt Instrument [Line Items]
Extinguishment of debt, amount	100.0
Interest rate of debt	7.125%		7.125%
Senior Notes \| 4.500% Senior Notes Due October 2021
Debt Instrument [Line Items]
Extinguishment of debt, amount	278.1
Interest rate of debt	4.50%		4.50%
Senior Notes \| 3.350% Senior Note due November 2022
Debt Instrument [Line Items]
Extinguishment of debt, amount	338.9
Interest rate of debt	3.35%		3.35%
Senior Notes \| 3.790% Senior Notes Due August 2019
Debt Instrument [Line Items]
Extinguishment of debt, amount	80.0
Interest rate of debt	3.79%		3.79%
Senior Notes \| 4.520% Senior Notes Due August 2024
Debt Instrument [Line Items]
Extinguishment of debt, amount	$ 210.0
Interest rate of debt	4.52%		4.52%