Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 28, 2024	Jun. 30, 2023	Jun. 28, 2024	Jun. 30, 2023
Income Statement [Abstract]
Sales	$ 633.1	$ 662.4	$ 1,256.7	$ 1,289.6
Cost of sales	306.5	283.8	573.8	548.3
Gross profit	326.6	378.6	682.9	741.3
Operating expenses:
Selling, general and administrative	302.5	272.9	587.4	539.0
Research and development	23.6	26.8	46.9	51.3
Goodwill and intangible asset impairments	1,153.8	0.0	1,153.8	0.0
Operating (loss) profit	(1,153.3)	78.9	(1,105.2)	151.0
Nonoperating (expense) income:
Other (expense) income, net	(1.1)	7.1	(1.0)	7.4
Interest expense, net	(11.7)	(17.4)	(24.6)	(34.1)
(Loss) income before income taxes	(1,166.1)	68.6	(1,130.8)	124.3
Income tax (benefit) expense	(14.5)	16.7	(2.8)	28.6
Net (loss) income	$ (1,151.6)	$ 51.9	$ (1,128.0)	$ 95.7
(Loss) earnings per share:
(Loss) earnings - basic (in USD per share)	$ (6.69)	$ 0.32	$ (6.56)	$ 0.58
(Loss) earnings - diluted (in USD per share)	$ (6.69)	$ 0.29	$ (6.56)	$ 0.54
Average common stock and common equivalent shares outstanding:
Basic (in shares)	172.1	164.0	172.0	163.8
Diluted (in shares)	172.1	176.3	172.0	176.9