Goodwill and Intangibles - Goodwill (Details) $ in Millions	3 Months Ended	12 Months Ended
	Sep. 29, 2019 USD ($)	Dec. 31, 2019 USD ($) item	Dec. 31, 2018 USD ($)	Oct. 27, 2019 USD ($)
Gross Balance
Balance at the beginning of the period		$ 711.9	$ 717.6
Acquired During the Period		38.3	1.5
Foreign Currency Translation and Other		(2.0)	(7.2)
Balance at the end of the period		748.2	711.9
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)
Goodwill impairment charges		0.0
Net Goodwill		$ 581.1	544.8	$ 579.4
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
Americas
Gross Balance
Balance at the beginning of the period		438.1	437.4
Acquired During the Period			1.5
Foreign Currency Translation and Other			(0.8)
Balance at the end of the period			438.1
Accumulated Impairment Losses
Balance at the beginning of the period		(24.5)	(24.5)
Balance at the end of the period			(24.5)
Net Goodwill			413.6
Europe
Gross Balance
Balance at the beginning of the period		243.7	249.3
Foreign Currency Translation and Other			(5.6)
Balance at the end of the period			243.7
Accumulated Impairment Losses
Balance at the beginning of the period		(129.7)	(129.7)
Balance at the end of the period			(129.7)
Net Goodwill			114.0
Americas
Gross Balance
Balance at the beginning of the period		438.1
Acquired During the Period	$ 38.3	38.3
Foreign Currency Translation and Other		0.4
Balance at the end of the period		476.8	438.1
Accumulated Impairment Losses
Balance at the beginning of the period		(24.5)
Balance at the end of the period		(24.5)	(24.5)
Net Goodwill		452.3
Europe
Gross Balance
Balance at the beginning of the period		243.7
Foreign Currency Translation and Other		(2.3)
Balance at the end of the period		241.4	243.7
Accumulated Impairment Losses
Balance at the beginning of the period		(129.7)
Balance at the end of the period		(129.7)	(129.7)
Net Goodwill		111.7
APMEA
Gross Balance
Balance at the beginning of the period		30.1	30.9
Foreign Currency Translation and Other		(0.1)	(0.8)
Balance at the end of the period		30.0	30.1
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)
Net Goodwill		17.1	$ 17.2
Water Quality Products
Gross Balance
Balance at the end of the period		$ 0.0