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The pretax net amount of gains and losses that are not yet recognized as a component of net periodic benefit cost, and that are recognized as increases or decreases in other comprehensive income as they arise. Gains and losses are due to changes in the value of either the benefit obligation or the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption, or the consequence of a decision to temporarily deviate from the substantive plan.

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Amount related to the pretax cost of benefit changes attributable to plan participants' prior service pursuant to a plan amendment or a plan initiation, which has not yet been recognized as components of net periodic benefit cost.

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The aggregate net amount recognized in the balance sheet associated with the defined benefit plan(s). Will normally be the same as the Defined Benefit Plan, Funded Status of Plan, Total.

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The amount for overfunded plans recognized in the balance sheet as a noncurrent asset associated with a defined benefit pension plan or other postretirement defined benefit plan.

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The interest rate used to adjust for the time value of money for the plan.

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Expected rate of compensation increases (for pay-related plans).

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The funded status is measured as the difference between the fair value of plan assets and the benefit obligation. Will normally be the same as the net Defined Benefit Plan, Amounts Recognized in Balance Sheet, Total.

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If aggregate disclosures are presented, the aggregate pension accumulated benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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If aggregate disclosures are presented, the aggregate fair value of plan assets for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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If aggregate disclosures are presented, the aggregate projected benefit obligation for pension plans with accumulated benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented.

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For a classified balance sheet, the amount recognized in balance sheet as a current liability associated with an underfunded defined benefit plan.

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PENSION AND POSTRETIREMENT BENEFITS (Funded Status and Amounts Recognized in the Balance Sheet) (Details) (USD $) In Millions, unless otherwise specified	May 26, 2013	May 27, 2012	Sep. 08, 2011	May 29, 2011
Amounts Recognized in Accumulated Other Comprehensive (Income) Loss (Pre-tax)
Actuarial net loss		$ (27.6)
Weighted-Average Actuarial Assumptions Used to Determine Benefit Obligations At May 27, 2012 and May 29, 2011
Discount rate			4.30%	4.90%
Projected benefit obligation, accumulated benefit obligation, and fair value of plan in excess of plan assets
Projected benefit obligation	3,338.8	3,159.7
Accumulated benefit obligation	3,260.7	3,057.2
Fair value of plan assets	2,863.3	2,594.1
Pension Benefits
Funded status and Amounts recognized in Balance Sheets
Funded status	(474.2)	(561.7)
Amounts Recognized in Consolidated Balance Sheets
Other assets	6.6	3.9
Other accrued liabilities	(9.6)	(8.8)
Other noncurrent liabilities	(471.2)	(556.8)
Net amount recognized	(474.2)	(561.7)
Amounts Recognized in Accumulated Other Comprehensive (Income) Loss (Pre-tax)
Actuarial net loss	218.2	332.0
Net prior service cost (benefit)	20.3	17.9
Total	238.5	349.9
Weighted-Average Actuarial Assumptions Used to Determine Benefit Obligations At May 27, 2012 and May 29, 2011
Discount rate	4.05%	4.50%
Long-term rate of compensation increase	4.25%	4.25%
Other Benefits
Funded status and Amounts recognized in Balance Sheets
Funded status	(302.7)	(282.6)
Amounts Recognized in Consolidated Balance Sheets
Other accrued liabilities	(25.6)	(26.8)
Other noncurrent liabilities	(277.1)	(255.8)
Net amount recognized	(302.7)	(282.6)
Amounts Recognized in Accumulated Other Comprehensive (Income) Loss (Pre-tax)
Actuarial net loss	66.9	80.5
Net prior service cost (benefit)	(31.1)	(39.3)
Total	$ 35.8	$ 41.2
Weighted-Average Actuarial Assumptions Used to Determine Benefit Obligations At May 27, 2012 and May 29, 2011
Discount rate	3.35%	3.90%