Information on Business Segments - Net Sales and Operating Income by Segment (Detail) - USD ($) $ in Millions	3 Months Ended
Apr. 01, 2023	Mar. 31, 2022
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net sales	$ 1,040.0	$ 1,140.2
Operating income	$ 131.8	179.8
Operating Income, Percentage Change vs. Prior Year	(26.70%)
Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net sales	$ 1,040.0	1,140.2
Net Sales, Percentage Change vs. Prior Year	(8.80%)
Corporate [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating income	$ (30.7)	(29.7)
Operating Income, Percentage Change vs. Prior Year	3.40%
Water [Member] \| Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net sales	$ 594.2	643.6
Operating income	$ 128.4	149.3
Net Sales, Percentage Change vs. Prior Year	(7.70%)
Operating Income, Percentage Change vs. Prior Year	(14.00%)
Outdoors \| Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net sales	$ 289.9	343.6
Operating income	$ 13.0	39.8
Net Sales, Percentage Change vs. Prior Year	(15.60%)
Operating Income, Percentage Change vs. Prior Year	(67.30%)
Security \| Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net sales	$ 21.1	20.4
Operating income	$ 155.9	$ 153.0
Net Sales, Percentage Change vs. Prior Year	(3.40%)
Operating Income, Percentage Change vs. Prior Year	1.90%