Condensed Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021
Income Statement [Abstract]
Net sales	$ 1,074.5	$ 1,010.0
Cost of sales	736.7	641.6
Gross profit	337.8	368.4
Operating expenses
Distribution	24.4	21.6
Research and development	29.3	31.1
Selling	135.6	135.5
Administration	122.3	127.1
Restructuring	3.6	1.7
Other operating expense, net	0.9	0.0
Total operating expenses	316.1	317.0
Operating income	21.7	51.4
Interest expense, net	35.8	32.0
Other (income) expense, net	(1.1)	2.4
Income (loss) from continuing operations before income taxes	(13.0)	17.0
Income tax expense (benefit)	(11.7)	14.2
Income (loss) from continuing operations	(1.3)	2.8
Income (loss) from discontinued operations, net of tax	(1.1)	35.3
Net income (loss)	$ (2.4)	$ 38.1
Basic
Continuing operations (in dollars per share)	$ (0.01)	$ 0.02
Discontinued operations (in dollars per share)	(0.01)	0.27
Basic earnings (loss) per share (in dollars per share)	(0.02)	0.29
Diluted
Continuing operations (in dollars per share)	(0.01)	0.02
Discontinued operations (in dollars per share)	(0.01)	0.26
Diluted earnings (loss) per share (in dollars per share)	$ (0.02)	$ 0.28
Weighted-average shares outstanding
Basic (in shares)	134.0	133.2
Diluted (in shares)	134.0	134.6