SUPPLEMENTAL EQUITY AND COMPREHENSIVE INCOME INFORMATION - Income Tax (Benefit) Expense Allocated to Each Component of Other Comprehensive loss (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Jan. 01, 2022
Foreign currency translation:
Translation gain (loss)	$ 1.2	$ (7.0)	$ (23.2)
Pension and other postretirement benefits:
Net gain (loss) recognized from actuarial gain/loss and prior service cost/credit	(8.2)	0.5	8.5
Reclassifications to net income	(0.3)	1.1	1.6
Cash flow hedges:
Gain (loss) recognized on cash flow hedges	(2.2)	1.6	1.7
Reclassifications to net income	1.2	0.4	(0.5)
Income tax (benefit) expense allocated to components of other comprehensive income (loss)	$ (8.3)	$ (3.4)	$ (11.9)