Restructuring and Other Charges - Pre-tax Restructuring and Other Charges (Detail) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 13.5	$ 15.9	$ 14.7
Total Charges		20.7	25.1	22.2
Cost of products sold [Member]
Restructuring Cost and Reserve [Line Items]
Other Charges	[1]	5.7	10.4	4.1
Selling, general and administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Other Charges	[1],[2]	1.5	(1.2)	3.4
Operating Segments [Member] | Cabinets [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		4.2	5.5	10.2
Total Charges		7.9	10.8	10.7
Operating Segments [Member] | Cabinets [Member] | Cost of products sold [Member]
Restructuring Cost and Reserve [Line Items]
Other Charges	[1]	3.7	5.1	(0.1)
Operating Segments [Member] | Cabinets [Member] | Selling, general and administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Other Charges	[1],[2]		0.2	0.6
Operating Segments [Member] | Plumbing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		(1.1)	6.0	2.8
Total Charges		3.0	8.7	8.2
Operating Segments [Member] | Plumbing [Member] | Cost of products sold [Member]
Restructuring Cost and Reserve [Line Items]
Other Charges	[1]	2.0	4.4	2.6
Operating Segments [Member] | Plumbing [Member] | Selling, general and administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Other Charges	[1],[2]	2.1	(1.7)	2.8
Operating Segments [Member] | Outdoors & Security [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		10.4	3.0	1.7
Total Charges		9.8	3.9	3.3
Operating Segments [Member] | Outdoors & Security [Member] | Cost of products sold [Member]
Restructuring Cost and Reserve [Line Items]
Other Charges	[1]		0.9	$ 1.6
Operating Segments [Member] | Outdoors & Security [Member] | Selling, general and administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Other Charges	[1],[2]	$ (0.6)
Corporate [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges			1.4
Total Charges			1.7
Corporate [Member] | Selling, general and administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Other Charges	[1],[2]		$ 0.3

[1] “Other Charges” represent charges or gains directly related to restructuring initiatives that cannot be reported as restructuring under GAAP. Such charges or gains may include losses on disposal of inventories, trade receivables allowances from exiting product lines, write-off of displays from exiting a customer relationship, accelerated depreciation resulting from the closure of facilities, and gains and losses on the sale of previously closed facilities.

[2] Selling, general and administrative expenses