Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Sales	$ 2,719.5	$ 2,510.6	$ 2,566.5
Cost of sales	1,232.8	1,137.9	1,126.0
Gross profit	1,486.7	1,372.7	1,440.5
Operating expenses:
Selling, general and administrative	1,156.6	1,158.0	1,056.9
Research and development	114.0	99.1	93.8
Goodwill and intangible asset impairments	0.0	1,153.8	258.3
Operating profit (loss)	216.1	(1,038.2)	31.5
Nonoperating (expense) income:
Other expense, net	(2.3)	(0.1)	(23.0)
Interest expense, net	(36.6)	(46.4)	(63.4)
Income (loss) before income taxes	177.2	(1,084.7)	(54.9)
Income tax expense	130.2	33.9	45.3
Net income (loss)	$ 47.0	$ (1,118.6)	$ (100.2)
Earnings (loss) per share:
Earnings (Loss) - basic (in USD per share)	$ 0.28	$ (6.50)	$ (0.60)
Earnings (Loss) - diluted (in USD per share)	$ 0.28	$ (6.50)	$ (0.60)
Average common stock and common equivalent shares outstanding:
Basic (in shares)	168.0	172.2	166.9
Diluted (in shares)	169.2	172.2	166.9