PENSION AND POSTRETIREMENT BENEFITS (Tables)

9 Months Ended

Feb. 22, 2026

PENSION AND POSTRETIREMENT BENEFITS

Schedule of components of pension and postretirement plan costs (benefits)

	Pension Plans
	Thirteen Weeks Ended				Thirty-Nine Weeks Ended
	February 22, 2026		February 23, 2025		February 22, 2026		February 23, 2025
Service cost	$	1.4	$	1.4	$	4.1	$	4.1
Interest cost		22.0		34.4		66.2		101.8
Expected return on plan assets		(27.8)		(37.0)		(83.4)		(109.4)
Amortization of prior service cost		0.4		0.4		1.2		1.2
Pension cost (benefit) — Company plans		(4.0)		(0.8)		(11.9)		(2.3)
Pension cost (benefit) — multi-employer plans		2.1		2.1		7.2		7.3
Total pension cost (benefit)	$	(1.9)	$	1.3	$	(4.7)	$	5.0

	Postretirement Plans
	Thirteen Weeks Ended				Thirty-Nine Weeks Ended
	February 22, 2026		February 23, 2025		February 22, 2026		February 23, 2025
Service cost	$	—	$	—	$	0.1	$	0.1
Interest cost		0.6		0.6		1.7		1.8
Amortization of prior service cost (benefit)		(0.4)		(0.4)		(1.3)		(1.3)
Recognized net actuarial gain		(0.9)		(1.1)		(2.7)		(3.4)
Total postretirement cost (benefit)	$	(0.7)	$	(0.9)	$	(2.2)	$	(2.8)