Segment Information - Financial Information By Reportable Segment (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Net sales	[1]	$ 3,764.8	$ 3,017.8	$ 2,957.2
Segment Income (Loss)	[1]	685.9	517.6	516.3
Identifiable assets	[2]	4,753.6	4,197.2	4,139.5
Capital expenditures		60.2	62.2	58.5
Depreciation		$ 51.2	$ 46.7	$ 48.3
One customer | Net sales | Customer concentration risk
Segment Reporting Information [Line Items]
Concentration risk percentage		20.00%	15.00%	15.00%
Consumer Solutions
Segment Reporting Information [Line Items]
Net sales		$ 2,341.9	$ 1,742.9	$ 1,611.7
Segment Income (Loss)		554.4	419.1	379.6
Identifiable assets	[2]	2,823.0	2,327.9	2,329.9
Capital expenditures		32.5	27.4	31.2
Depreciation		23.7	21.4	21.8
Industrial & Flow Technologies
Segment Reporting Information [Line Items]
Net sales		1,421.4	1,273.6	1,344.1
Segment Income (Loss)		213.3	164.6	199.0
Identifiable assets	[2]	1,716.4	1,661.7	1,562.8
Capital expenditures		23.0	26.6	20.3
Depreciation		21.4	19.8	21.0
Corporate Segment
Segment Reporting Information [Line Items]
Net sales		1.5	1.3	1.4
Segment Income (Loss)		(81.8)	(66.1)	(62.3)
Identifiable assets	[2]	214.2	207.6	246.8
Capital expenditures		4.7	8.2	7.0
Depreciation		$ 6.1	$ 5.5	$ 5.5

[1] (1) One customer in the Consumer Solutions’ pool business represented approximately 20%, 15%, and 15% of our consolidated net sales in 2021, 2020 and 2019, respectively.

[2] All cash and cash equivalents are included in “Other.”