EMPLOYEE BENEFIT PLANS - Schedule of Components of Net Pension and Post-Retirement Expense (Details) - USD ($) $ in Millions	4 Months Ended
	Jun. 20, 2026	Jun. 14, 2025
Pension
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Estimated return on plan assets	$ (24.3)	$ (28.3)
Service cost	4.9	4.9
Interest cost	18.4	24.2
Amortization of prior service cost	0.1	0.1
Amortization of net actuarial gain	(0.4)	(0.9)
Income, net	(1.3)	0.0
Other post-retirement benefits
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Estimated return on plan assets	0.0	0.0
Service cost	0.0	0.0
Interest cost	0.1	0.1
Amortization of prior service cost	0.0	0.0
Amortization of net actuarial gain	(0.2)	(0.2)
Income, net	$ (0.1)	$ (0.1)