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EMPLOYEE BENEFIT PLANS - Schedule of Components of Net Pension and Post-Retirement Expense (Details) - USD ($)
$ in Millions
4 Months Ended
Jun. 17, 2023
Jun. 18, 2022
Pension    
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Estimated return on plan assets $ (30.3) $ (28.6)
Service cost 5.3 6.2
Interest cost 25.7 15.8
Amortization of prior service cost 0.1 0.1
Amortization of net actuarial (gain) loss (0.6) 0.2
Expense (income), net 0.2 (6.3)
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 0.2 0.1
Amortization of prior service cost 0.0 0.0
Amortization of net actuarial (gain) loss (0.3) (0.1)
Expense (income), net $ (0.1) $ 0.0