Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Net sales	[1]	$ 4,138.7	$ 4,088.2	$ 3,869.9
Cost of sales		2,722.5	2,593.3	2,436.2
Gross profit		1,416.2	1,494.9	1,433.7
Operating expenses
Distribution		93.0	85.1	82.0
Research and development		122.0	121.7	119.2
Selling		536.4	545.5	538.7
Administration		482.0	478.5	476.5
Impairment charges		173.1	0.0	13.8
Restructuring		16.9	3.2	25.9
Other operating expense (income)		(417.6)	(4.3)	2.9
Total operating expenses		1,005.8	1,229.7	1,259.0
Operating income		410.4	265.2	174.7
Change in financial assets		0.0	95.3	(22.1)
Interest expense, net		125.0	127.7	117.5
Other (income) expense, net		26.7	16.3	(68.9)
Loss on extinguishment of debt		0.0	20.0	0.2
Income from continuing operations before income taxes		258.7	5.9	148.0
Income tax expense (benefit)		389.6	(38.3)	(10.7)
Income (loss) from continuing operations		(130.9)	44.2	158.7
Income (loss) from discontinued operations, net of tax		62.0	(206.8)	(12.6)
Net income (loss)		$ (68.9)	$ (162.6)	$ 146.1
Basic
Continuing operations (in dollars per share)		$ (0.98)	$ 0.32	$ 1.16
Discontinued operations (in dollars per share)		0.46	(1.52)	(0.09)
Basic (in dollars per share)		(0.52)	(1.20)	1.07
Diluted
Continuing operations (in dollars per share)		(0.98)	0.32	1.16
Discontinued operations (in dollars per share)		0.46	(1.51)	(0.09)
Diluted (in dollars per share)		$ (0.52)	$ (1.19)	$ 1.07
Weighted-average shares outstanding
Basic (in shares)		133.6	136.1	136.0
Diluted (in shares)		133.6	137.2	136.5

[1] The net sales by geography is derived from the location of the entity that sells to a third party.