Condensed Consolidated Statements of Operations (unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Apr. 01, 2022
Income Statement [Abstract]
Sales	$ 627.2	$ 631.4
Cost of sales	264.5	257.3
Gross profit	362.7	374.1
Operating expenses:
Selling, general and administrative	266.1	258.2
Research and development	24.5	24.4
Operating profit	72.1	91.5
Nonoperating income (expense):
Other income	0.3	0.3
Interest expense, net	(16.7)	(5.9)
Income before income taxes	55.7	85.9
Income tax expense	11.9	15.5
Income from continuing operations, net of tax	43.8	70.4
Income from discontinued operations, net of tax (Note 3)	0.0	4.5
Net income	$ 43.8	$ 74.9
Earnings per share:
Earnings from continuing operations - basic (in USD per share)	$ 0.27	$ 0.43
Earnings from continuing operations - diluted (in USD per share)	0.25	0.39
Earnings (loss) from discontinued operations - basic (in USD per share)	0	0.03
Earnings (loss) from discontinued operations - diluted (in USD per share)	0	0.03
Earnings - basic (in USD per share)	0.27	0.46
Earnings - diluted (in USD per share)	$ 0.25	$ 0.42
Average common stock and common equivalent shares outstanding:
Basic (in shares)	163.6	162.2
Diluted (in shares)	177.4	179.8