Segment Data - Schedule of Financial Information (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Aug. 01, 2025	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Segment Reporting Information [Line Items]
Net sales		$ 4,510.4	$ 4,583.8	$ 4,553.2
Cost of sales		3,005.6	3,034.5	2,975.6
Selling, general and administrative expense		1,013.8	1,016.0	995.6
Non-cash impairment charges	$ 81.1	81.1	0.0	151.3
Other income, net		26.8	41.4	28.5
Earnings (loss) before interest and taxes		436.7	574.7	459.2
Interest expense		(59.1)	(61.9)	(58.7)
Provision for income taxes		61.5	93.9	70.8
Net earnings		316.1	418.9	329.7
Total assets		3,438.8	3,582.8	3,644.3
Capital expenditures		83.7	103.5	149.5
Depreciation and amortization		142.9	128.2	119.2
Professional
Segment Reporting Information [Line Items]
Net sales		3,561.0	3,507.7	3,628.8
Residential
Segment Reporting Information [Line Items]
Net sales		858.3	997.9	854.0
Operating Segments | Professional
Segment Reporting Information [Line Items]
Net sales		3,624.0	3,556.9	3,674.6
Cost of sales		2,255.1	2,236.1	2,324.7
Selling, general and administrative expense		670.0	692.2	694.1
Non-cash impairment charges		0.0		0.0
Other income, net		3.6	10.3	4.6
Earnings (loss) before interest and taxes		702.5	638.9	660.4
Total assets		2,503.7	2,673.6	2,679.6
Capital expenditures		62.8	60.0	79.9
Depreciation and amortization		93.8	94.6	89.3
Operating Segments | Residential
Segment Reporting Information [Line Items]
Net sales		858.4	998.3	854.2
Cost of sales		698.0	783.7	647.0
Selling, general and administrative expense		125.3	140.7	138.8
Non-cash impairment charges		0.0		0.0
Other income, net		0.7	4.5	0.5
Earnings (loss) before interest and taxes		35.8	78.4	68.9
Total assets		409.6	521.2	565.1
Capital expenditures		7.7	14.7	45.6
Depreciation and amortization		21.6	18.0	14.9
Intersegment gross sales (eliminations)
Segment Reporting Information [Line Items]
Net sales		(63.1)	(49.6)	(46.0)
Intersegment gross sales (eliminations) | Professional
Segment Reporting Information [Line Items]
Net sales		(63.0)	(49.2)	(45.8)
Intersegment gross sales (eliminations) | Residential
Segment Reporting Information [Line Items]
Net sales		(0.1)	(0.4)	(0.2)
Other
Segment Reporting Information [Line Items]
Net sales		91.1	78.2	70.4
Cost of sales		52.5	14.7	3.9
Selling, general and administrative expense		218.5	183.1	162.7
Non-cash impairment charges		81.1		151.3
Other income, net		22.5	26.6	23.4
Earnings (loss) before interest and taxes		(301.6)	(142.6)	(270.1)
Total assets		525.5	388.0	399.6
Capital expenditures		13.2	28.8	24.0
Depreciation and amortization		27.5	15.6	15.0
Other and Eliminations
Segment Reporting Information [Line Items]
Net sales		$ 28.0	$ 28.6	$ 24.4