Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Sales	$ 2,566.5	$ 2,569.1	$ 2,508.9
Cost of sales	1,126.0	1,094.3	1,082.4
Gross profit	1,440.5	1,474.8	1,426.5
Operating expenses:
Selling, general and administrative	1,056.9	1,055.5	1,019.8
Research and development	93.8	100.1	100.5
Goodwill and intangible asset impairment	258.3	0.0	0.0
Operating profit	31.5	319.2	306.2
Nonoperating (expense) income:
Other (expense) income, net	(23.0)	3.1	2.4
Interest expense, net	(63.4)	(38.4)	(54.1)
(Loss) income before income taxes	(54.9)	283.9	254.5
Income tax expense (benefit)	45.3	45.9	(9.0)
(Loss) income from continuing operations, net of tax	(100.2)	238.0	263.5
Income from discontinued operations, net of tax (Note 4)	0.0	5.1	77.0
Net (loss) income	$ (100.2)	$ 243.1	$ 340.5
Earnings per share:
(Loss) earnings from continuing operations - basic (in USD per share)	$ (0.60)	$ 1.46	$ 1.63
(Loss) earnings from continuing operations - diluted (in USD per share)	(0.60)	1.34	1.48
Earnings from discontinued operations - basic (in USD per share)	0	0.03	0.48
Earnings from discontinued operations - diluted (in USD per share)	0	0.03	0.43
(Loss) Earnings - basic (in USD per share)	(0.60)	1.49	2.11
(Loss) Earnings - diluted (in USD per share)	$ (0.60)	$ 1.37	$ 1.92	[1]
Average common stock and common equivalent shares outstanding:
Basic (in shares)	166.9	162.9	161.2
Diluted (in shares)	166.9	177.6	177.6

[1] * Earnings per share is computed independently for earnings per share from continuing operations and earnings per share from discontinued operations. The sum of earnings per share from continuing operations and earnings per share from discontinued operations does not equal earnings per share due to rounding.