Goodwill and Intangibles - Goodwill (Details) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2021 USD ($) item	Dec. 31, 2020 USD ($)	Oct. 24, 2021 USD ($)
Gross Balance
Balance at the beginning of the period		$ 769.5	$ 748.2
Acquired During the Period		8.4	9.4
Foreign Currency Translation and Other		(10.1)	11.9
Balance at the end of the period	$ 767.8	767.8	769.5
Accumulated Impairment Losses
Balance at the beginning of the period		(167.1)	(167.1)
Balance at the end of the period	(167.1)	(167.1)	(167.1)
Goodwill impairment charges		0.0	0.0
Net Goodwill	600.7	$ 600.7	602.4	$ 605.8
Number of reporting units | item		7
Number of reporting units with goodwill | item		6
Number of reporting units with no goodwill | item		1
Goodwill impairment charges		$ 0.0	0.0
Americas
Gross Balance
Balance at the beginning of the period		482.5	476.8
Acquired During the Period	8.4	8.4	5.5
Foreign Currency Translation and Other			0.2
Balance at the end of the period	490.9	490.9	482.5
Accumulated Impairment Losses
Balance at the beginning of the period		(24.5)	(24.5)
Balance at the end of the period	(24.5)	(24.5)	(24.5)
Net Goodwill	466.4	466.4	458.0
Europe
Gross Balance
Balance at the beginning of the period		252.1	241.4
Foreign Currency Translation and Other		(9.2)	10.7
Balance at the end of the period	242.9	242.9	252.1
Accumulated Impairment Losses
Balance at the beginning of the period		(129.7)	(129.7)
Balance at the end of the period	(129.7)	(129.7)	(129.7)
Net Goodwill	113.2	113.2	122.4
APMEA
Gross Balance
Balance at the beginning of the period		34.9	30.0
Acquired During the Period			3.9
Foreign Currency Translation and Other		(0.9)	1.0
Balance at the end of the period	34.0	34.0	34.9
Accumulated Impairment Losses
Balance at the beginning of the period		(12.9)	(12.9)
Balance at the end of the period	(12.9)	(12.9)	(12.9)
Net Goodwill	21.1	21.1	$ 22.0
Water quality
Gross Balance
Balance at the end of the period	$ 0.0	$ 0.0