SEGMENT AND GEOGRAPHIC INFORMATION (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024	Dec. 31, 2024
Segment Reporting Information [Line Items]
Total assets	$ 9,759.8		$ 9,647.7
Property, plant and equipment, net	913.2		917.8
Net sales	1,043.9	$ 1,082.1
Cost of sales	651.6	724.4
Gross profit	$ 392.3	$ 357.7
Gross margin (as a percent)	37.60%	33.10%
Operating expenses
Distribution	$ 22.8	$ 24.9
Research and development	26.7	29.0
Selling	146.2	150.3
Administration	112.2	130.4
Impairment charges	3.1	0.0
Restructuring	29.4	44.3
Other operating (income) expense, net	5.0	34.0
Total operating expenses	345.4	412.9
Operating income (loss)	$ 46.9	$ (55.2)
Operating income %	4.50%	(5.10%)
Interest expense, net	$ 39.0	$ 43.0
Other (income) expense, net	(0.4)	0.4
Income (loss) from continuing operations before income taxes	8.3	(98.6)
Capital expenditures	25.5	25.1
Depreciation/amortization	79.9	81.4
Unallocated
Segment Reporting Information [Line Items]
Total assets	0.0		0.0
Property, plant and equipment, net	0.0		0.0
Net sales	0.0	0.0
Cost of sales	0.0	0.0
Gross profit	$ 0.0	$ 0.0
Gross margin (as a percent)	0.00%	0.00%
Operating expenses
Distribution	$ 0.0	$ 0.0
Research and development	0.0	0.0
Selling	0.0	0.0
Administration	46.1	51.1
Impairment charges	0.0
Restructuring	5.5	12.3
Other operating (income) expense, net	5.0	34.0
Total operating expenses	56.6	97.4
Operating income (loss)	(56.6)	(97.4)
Capital expenditures	0.0	0.0
Depreciation/amortization	0.0	0.0
CSCA
Segment Reporting Information [Line Items]
Net sales	620.7	644.1
Operating expenses
Restructuring	20.1	16.5
CSCA | Operating Segments
Segment Reporting Information [Line Items]
Total assets	4,533.4		4,687.6
Property, plant and equipment, net	758.8		769.0
Net sales	620.7	644.1
Cost of sales	420.7	490.6
Gross profit	$ 200.1	$ 153.5
Gross margin (as a percent)	32.20%	23.80%
Operating expenses
Distribution	$ 13.2	$ 13.4
Research and development	15.1	16.4
Selling	56.8	52.1
Administration	30.9	39.4
Impairment charges	0.0
Restructuring	20.1	16.5
Other operating (income) expense, net	0.0	0.0
Total operating expenses	136.1	137.8
Operating income (loss)	$ 64.0	$ 15.7
Operating income %	10.30%	2.40%
Capital expenditures	$ 14.9	$ 18.2
Depreciation/amortization	35.3	33.2
CSCI
Segment Reporting Information [Line Items]
Net sales	423.1	437.9
Operating expenses
Restructuring	3.8	15.5
CSCI | Operating Segments
Segment Reporting Information [Line Items]
Total assets	5,226.4		4,960.1
Property, plant and equipment, net	154.4		$ 148.8
Net sales	423.1	437.9
Cost of sales	230.9	233.8
Gross profit	$ 192.2	$ 204.2
Gross margin (as a percent)	45.40%	46.60%
Operating expenses
Distribution	$ 9.6	$ 11.4
Research and development	11.6	12.6
Selling	89.3	98.1
Administration	35.3	39.9
Impairment charges	3.1
Restructuring	3.8	15.5
Other operating (income) expense, net	0.0	0.0
Total operating expenses	152.7	177.6
Operating income (loss)	$ 39.6	$ 26.5
Operating income %	9.40%	6.10%
Capital expenditures	$ 10.6	$ 6.9
Depreciation/amortization	$ 44.6	$ 48.2