Condensed Consolidated Statements of Operations (unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2023	Sep. 30, 2022	Sep. 29, 2023	Sep. 30, 2022
Income Statement [Abstract]
Sales	$ 631.3	$ 631.1	$ 1,920.9	$ 1,908.3
Cost of sales	268.0	266.4	816.3	799.7
Gross profit	363.3	364.7	1,104.6	1,108.6
Operating expenses:
Selling, general and administrative	257.7	264.2	796.7	801.9
Research and development	22.3	26.0	73.6	75.5
Operating profit	83.3	74.5	234.3	231.2
Nonoperating (expense) income:
Other (expense) income	(32.1)	0.3	(24.7)	0.9
Interest expense, net	(15.4)	(11.6)	(49.5)	(23.9)
Income before income taxes	35.8	63.2	160.1	208.2
Income tax expense	14.3	13.6	42.9	43.7
Income from continuing operations, net of tax	21.5	49.6	117.2	164.5
(Loss) income from discontinued operations, net of tax (Note 3)	0.0	(2.0)	0.0	5.1
Net income	$ 21.5	$ 47.6	$ 117.2	$ 169.6
Earnings per share:
Earnings from continuing operations - basic (in USD per share)	$ 0.13	$ 0.30	$ 0.71	$ 1.01
Earnings from continuing operations - diluted (in USD per share)	0.12	0.28	0.66	0.92
Earnings (loss) from discontinued operations - basic (in USD per share)	0	(0.01)	0	0.03
Earnings (loss) from discontinued operations - diluted (in USD per share)	0	(0.01)	0	0.03
Earnings - basic (in USD per share)	0.13	0.29	0.71	1.04
Earnings - diluted (in USD per share)	$ 0.12	$ 0.27	$ 0.66	$ 0.95
Average common stock and common equivalent shares outstanding:
Basic (in shares)	168.2	163.1	165.3	162.7
Diluted (in shares)	175.2	176.9	176.3	178.4