PENSION AND POSTRETIREMENT BENEFITS (Tables)

12 Months Ended

May 25, 2025

Retirement Benefits [Abstract]

Schedule Of Changes in Projected Benefit Obligations

	Pension Plans				Postretirement Plans
	2025		2024		2025		2024
Change in Benefit Obligation
Benefit obligation at beginning of year	$	2,574.7	$	2,800.2	$	48.1	$	53.2
Service cost		5.5		5.8		0.1		0.1
Interest cost		136.1		144.7		2.4		2.5
Amendments		0.1		0.3		—		—
Actuarial loss (gain)		(148.6)		(31.2)		4.4		(0.8)
Plan settlements		(679.4)		(70.8)		—		—
Benefits paid		(194.6)		(274.3)		(6.7)		(6.9)
Benefit obligation at end of year	$	1,693.8	$	2,574.7	$	48.3	$	48.1
Change in Plan Assets
Fair value of plan assets at beginning of year	$	2,738.9	$	2,948.5	$	3.7	$	3.5
Actual return on plan assets		70.0		118.4		(3.7)		0.2
Employer contributions		11.9		12.2		6.7		6.9
Plan settlements		(679.4)		(65.9)		—		—
Benefits paid		(194.6)		(274.3)		(6.7)		(6.9)
Fair value of plan assets at end of year	$	1,946.8	$	2,738.9	$	—	$	3.7

Schedule of Net Funded Status

	Pension Plans				Postretirement Plans
	2025		2024		2025		2024
Funded Status	$	253.0	$	164.2	$	(48.3)	$	(44.4)
Amounts Recognized in Consolidated Balance Sheets
Other assets	$	342.8	$	260.1	$	—	$	3.5
Other accrued liabilities		(9.4)		(9.3)		(6.6)		(6.5)
Other noncurrent liabilities		(80.4)		(86.6)		(41.7)		(41.4)
Net Amount Recognized	$	253.0	$	164.2	$	(48.3)	$	(44.4)
Amounts Recognized in Accumulated Other Comprehensive (Income) Loss (Pre-tax)
Actuarial net loss (gain)	$	(49.6)	$	8.3	$	(33.1)	$	(42.7)
Net prior service cost (benefit)		6.8		6.2		(5.7)		(7.5)
Total	$	(42.8)	$	14.5	$	(38.8)	$	(50.2)
Weighted-Average Actuarial Assumptions Used to Determine Benefit Obligations at May 25, 2025 and May 26, 2024
Discount rate		5.91%		5.58%		5.43%		5.41%
Long-term rate of compensation increase		N/A		N/A		N/A		N/A

Schedule of Defined Benefit Plans Disclosures

	2025		2024
Projected benefit obligation	$	89.8	$	95.9
Accumulated benefit obligation		89.8		95.9

	Pension Plans						Postretirement Plans
	2025		2024		2023		2025		2024		2023
Service cost	$	5.5	$	5.8	$	6.5	$	0.1	$	0.1	$	0.1
Interest cost		136.1		144.7		124.0		2.4		2.5		2.3
Expected return on plan assets		(146.3)		(141.3)		(145.9)		—		—		—
Amortization of prior service cost (benefit)		1.6		1.6		1.4		(1.7)		(1.7)		(1.7)
Recognized net actuarial loss (gain)		(3.5)		(12.5)		0.1		(1.5)		(4.7)		(4.4)
Settlement loss (gain)		(13.0)		1.1		—		—		—		—
Pension and postretirement cost (benefit) — Company plans		(19.6)		(0.6)		(13.9)		(0.7)		(3.8)		(3.7)
Pension cost (benefit) — multi-employer plans		9.5		9.0		9.2		—		—		—
Total pension and postretirement cost (benefit)	$	(10.1)	$	8.4	$	(4.7)	$	(0.7)	$	(3.8)	$	(3.7)

Schedule of Amounts Recognized in Other Comprehensive Income

	Pension Plans				Postretirement Plans
	2025		2024		2025		2024
Net actuarial gain (loss)	$	72.3	$	13.3	$	(8.2)	$	0.9
Amendments		(0.1)		(0.3)		—		—
Amortization of prior service cost (benefit)		1.6		1.6		(1.7)		(1.7)
Settlement loss (gain)		(13.0)		1.1		—		—
Recognized net actuarial gain		(3.5)		(12.5)		(1.5)		(4.7)
Net amount recognized	$	57.3	$	3.2	$	(11.4)	$	(5.5)

Schedule of Defined Benefit Plan

	Pension Plans						Postretirement Plans
	2025		2024		2023		2025		2024		2023
Discount rate - interest cost		5.51%		5.41%		4.09%		5.38%		5.36%		3.83%
Discount rate - service cost		5.72%		5.60%		4.74%		5.22%		5.31%		4.60%
Long-term rate of return on plan assets		5.53%		5.00%		4.56%		N/A		N/A		N/A
Long-term rate of compensation increase		N/A		N/A		N/A		N/A		N/A		N/A

Schedule of Allocation of Plan Assets

	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	(0.3)	$	93.4	$	—	$	93.1
Equity securities:
U.S. equity securities		73.6		25.3		—		98.9
International equity securities		38.3		—		—		38.3
Fixed income securities:
Government bonds		—		373.5		—		373.5
Corporate bonds		—		1,145.9		—		1,145.9
Mortgage-backed bonds		—		78.0		—		78.0
Net receivables for unsettled transactions		(43.0)		—		—		(43.0)
Fair value measurement of pension plan assets in the fair value hierarchy	$	68.6	$	1,716.1	$	—	$	1,784.7
Investments measured at net asset value								162.1
Total pension plan assets							$	1,946.8

	Level 1		Level 2		Level 3		Total
Cash and cash equivalents	$	2.2	$	75.3	$	—	$	77.5
Equity securities:
U.S. equity securities		71.0		24.0		—		95.0
International equity securities		34.8		—		—		34.8
Fixed income securities:
Government bonds		—		508.1		—		508.1
Corporate bonds		—		1,797.6		—		1,797.6
Mortgage-backed bonds		—		53.3		—		53.3
Net payables for unsettled transactions		(20.6)		—		—		(20.6)
Fair value measurement of pension plan assets in the fair value hierarchy	$	87.4	$	2,458.3	$	—	$	2,545.7
Investments measured at net asset value								193.2
Total pension plan assets							$	2,738.9

	May 25, 2025		May 26, 2024
Equity securities		7%	5%
Debt securities		81%	86%
Real estate funds		1%	1%
Private equity		4%	4%
Other		7%	4%
Total		100%	100%

Schedule of Health Care Cost Trend Rates

Assumed Health Care Cost Trend Rates at:	May 25, 2025	May 26, 2024
Initial health care cost trend rate	6.67%	6.67%
Ultimate health care cost trend rate	4.42%	4.42%
Year that the rate reaches the ultimate trend rate	2033	2033

Schedule of Expected Benefit Payments

	Pension		Postretirement
	Plans		Plans
2026	$	135.1	$	6.6
2027		128.6		6.1
2028		129.5		5.6
2029		130.2		5.2
2030		130.5		4.7
Succeeding 5 years		648.7		18.3

Schedule of Multiemployer Plan

Expiration

Pension Protection

FIP /

Contributions by the

Dates of

Act Zone Status

RP Status

Company (millions)

Collective

Pending /

Surcharge

Bargaining

Pension Fund

EIN / PN

2024

2023

Implemented

FY25

FY24

FY23

Imposed

Agreements

Central States, Southeast and Southwest Areas Pension Fund

36-6044243/ 001

Red, Critical and Declining

Red, Critical and Declining

RP Implemented

2.5

2.4

2.6

No

5/31/2029

Western Conference of Teamsters Pension Plan

91-6145047/ 001

Green

Green

N/A

4.7

4.3

4.4

No

4/30/2028

Other Plans

2.3

2.3

2.2

Total Contributions

$

9.5

$

9.0

$

9.2