EMPLOYEE BENEFIT PLANS - Net Periodic Post-Retirement Benefit Expense (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Defined Benefit Plan Disclosure [Line Items]
Settlement / curtailment loss	$ 1.0
Defined benefit plan, net periodic benefit cost (credit) excluding service cost, statement of income or comprehensive income	Other, net	Other, net	Other, net
Other Benefit Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0.3	$ 0.3	$ 0.4
Interest cost	2.0	1.5	0.9
Amortization of prior service cost (credit)	0.1	0.0	(0.7)
Actuarial loss amortization	(1.4)	(0.7)	0.0
Settlement / curtailment loss	0.0	(0.4)	0.0
Special termination benefit	0.0	6.9	0.0
Net periodic pension expense (benefit)	$ 1.0	$ 7.6	$ 0.6