Goodwill and Other Identifiable Intangible Assets - Changes in Carrying Amount of Goodwill by Segment (Detail) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($)
Goodwill [Roll Forward]
Beginning Balance	$ 3,252.6
Purchase Accounting Adjustments	0.5
Foreign currency translation/other	10.1
Ending Balance	3,263.2
Consumer Solutions
Goodwill [Roll Forward]
Beginning Balance	1,398.1
Purchase Accounting Adjustments	0.5
Foreign currency translation/other	2.0
Ending Balance	1,400.6
Industrial & Flow Technologies
Goodwill [Roll Forward]
Beginning Balance	747.6
Purchase Accounting Adjustments	0.0
Foreign currency translation/other	8.1
Ending Balance	755.7
Pool
Goodwill [Roll Forward]
Beginning Balance	1,106.9
Purchase Accounting Adjustments	0.0
Foreign currency translation/other	0.0
Ending Balance	$ 1,106.9