STOCKHOLDERS' EQUITY AND LONG-TERM INCENTIVE COMPENSATION - Accumulated Other Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023	Dec. 31, 2023	Dec. 31, 2022
Components of accumulated other comprehensive income, net of tax [Roll Forward]
Balance at beginning of period	$ 1,194.6	$ 1,079.2
Other comprehensive income (loss) before reclassifications	(7.8)	4.1
Amounts reclassified from accumulated other comprehensive income	(2.4)	(2.3)
Current-period other comprehensive income (loss)	(10.2)	1.8
Balance at end of period	1,237.5	1,126.1
Accum. Other Comprehensive Income
Components of accumulated other comprehensive income, net of tax [Roll Forward]
Balance at beginning of period	261.1	257.5
Balance at end of period	250.9	259.3
Foreign Currency Translation Adjustment
Components of accumulated other comprehensive income, net of tax [Roll Forward]
Balance at beginning of period	251.0	239.1
Other comprehensive income (loss) before reclassifications	(8.3)	4.4
Amounts reclassified from accumulated other comprehensive income	0.0	0.0
Current-period other comprehensive income (loss)	(8.3)	4.4
Balance at end of period	242.7	243.5
Net Unrealized Gains on Qualifying Cash Flow Hedges
Components of accumulated other comprehensive income, net of tax [Roll Forward]
Balance at beginning of period	5.7	11.0
Other comprehensive income (loss) before reclassifications	0.5	(0.3)
Amounts reclassified from accumulated other comprehensive income	(1.8)	(1.6)
Current-period other comprehensive income (loss)	(1.3)	(1.9)
Balance at end of period	4.4	9.1
Net of tax provision (benefit)	1.4	3.1	$ 1.8	$ 3.7
Gains on pension and postretirement items:
Components of accumulated other comprehensive income, net of tax [Roll Forward]
Balance at beginning of period	4.4	7.4
Other comprehensive income (loss) before reclassifications	0.0	0.0
Amounts reclassified from accumulated other comprehensive income	(0.6)	(0.7)
Current-period other comprehensive income (loss)	(0.6)	(0.7)
Balance at end of period	3.8	6.7
Net of tax provision (benefit)	$ 1.6	$ 2.4	$ 1.8	$ 2.7