CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 29, 2025	Mar. 30, 2024
Income Statement [Abstract]
Net sales	$ 1,043.9	$ 1,082.1
Cost of sales	651.6	724.4
Gross profit	392.3	357.7
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)
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)
Income tax expense (benefit)	8.2	(102.7)
Income from continuing operations	0.1	4.1
Loss from discontinued operations, net of tax	(6.5)	(2.1)
Net income (loss)	$ (6.4)	$ 2.0
Basic
Continuing operations (in dollars per share)	$ 0	$ 0.03
Discontinued operations (in dollars per share)	(0.05)	(0.02)
Basic earnings (loss) per share (in dollars per share)	(0.05)	0.01
Diluted
Continuing operations (in dollars per share)	0	0.03
Discontinued operations (in dollars per share)	(0.05)	(0.02)
Diluted earnings (loss) per share (in dollars per share)	$ (0.05)	$ 0.01
Weighted-average shares outstanding
Basic (in shares)	137.7	136.6
Diluted (in shares)	137.7	137.6