Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Apr. 01, 2022	Apr. 02, 2021
Income Statement [Abstract]
Sales	$ 631.4	$ 612.6
Cost of sales	257.3	254.2
Gross profit	374.1	358.4
Operating expenses:
Selling, general and administrative	258.2	237.5
Research and development	24.4	25.8
Operating profit	91.5	95.1
Nonoperating income (expense):
Other income	0.3	0.3
Interest expense, net	(5.9)	(18.0)
Income before income taxes	85.9	77.4
Income tax expense	15.5	15.6
Income from continuing operations, net of tax	70.4	61.8
Income from discontinued operations, net of tax (refer to Note 2)	4.5	9.9
Net income	$ 74.9	$ 71.7
Earnings per share:
Earnings from continuing operations - basic (in USD per share)	$ 0.43	$ 0.39
Earnings from continuing operations - diluted (in USD per share)	0.39	0.35
Earnings from discontinued operations - basic (in USD per share)	0.03	0.06
Earnings from discontinued operations - diluted (in USD per share)	0.03	0.06
Earnings - basic (in USD per share)	0.46	0.45
Earnings - diluted (in USD per share)	$ 0.42	$ 0.41
Average common stock and common equivalent shares outstanding:
Basic (in shares)	162.2	160.5
Diluted (in shares)	179.8	175.9