Defined Benefit Plan, Interest Cost, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate

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- Definition

Defined Benefit Plan, Service Cost, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate

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Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

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- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Amount of (increase) decrease in benefit obligation of defined benefit plan from event reducing expected years of future service of present employees or eliminating accrual of benefits for some or all future services of present employees.

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Amount of contributions expected to be received by defined benefit plan from employer in fiscal year. Excludes contributions paid by employer in current fiscal year.

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Amount of gain (loss) recognized in net periodic benefit (cost) credit from event reducing expected years of future service of present employees or eliminating accrual of defined benefits for some or all future services of present employees.

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PENSION AND POSTRETIREMENT BENEFITS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Aug. 30, 2020	Aug. 25, 2019	May 30, 2021	May 27, 2019
Pension Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Pension curtailment loss within other comprehensive income (loss)	$ 0.0	$ 0.6
Employer contributions to pension and other postretirement plans	5.9
Anticipated further contributions for the remainder of fiscal 2021	26.3
Pension Benefits \| Scenario, Forecast
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Weighted average discount rate for service costs			3.35%
Weighted average discount rate for interest costs			2.30%
Pension Benefits \| Facility Closing
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Effective discount rate assumption		3.13%		3.90%
Pension curtailment loss within other comprehensive income (loss)		$ 0.6
Increase to underfunded status of the pension plans		$ 12.3
Postretirement Benefits
Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]
Employer contributions to pension and other postretirement plans	2.3
Anticipated further contributions for the remainder of fiscal 2021	$ 7.7