Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Income Statement [Abstract]
Net sales	$ 1,082.1	$ 1,181.7
Cost of sales	724.4	767.9
Gross profit	357.7	413.8
Operating expenses
Distribution	24.9	28.6
Research and development	29.0	31.1
Selling	150.3	167.9
Administration	130.4	135.0
Restructuring	44.3	3.4
Other operating expense (income), net	34.0	(0.7)
Total operating expenses	412.9	365.3
Operating (loss) income	(55.2)	48.5
Interest expense, net	43.0	43.7
Other (income) expense, net	0.4	0.5
Income (loss) from continuing operations before income taxes	(98.6)	4.3
Income tax (benefit) expense	(102.7)	5.4
Income (loss) from continuing operations	4.1	(1.1)
Income (loss) from discontinued operations, net of tax	(2.1)	(1.9)
Net income (loss)	$ 2.0	$ (3.0)
Basic
Continuing operations (in dollars per share)	$ 0.03	$ (0.01)
Discontinued operations (in dollars per share)	(0.02)	(0.01)
Basic earnings (loss) per share (in dollars per share)	0.01	(0.02)
Diluted
Continuing operations (in dollars per share)	0.03	(0.01)
Discontinued operations (in dollars per share)	(0.02)	(0.01)
Diluted earnings (loss) per share (in dollars per share)	$ 0.01	$ (0.02)
Weighted-average shares outstanding
Basic (in shares)	136.6	134.9
Diluted (in shares)	137.6	134.9