Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 4,553.2	$ 4,514.7	$ 3,959.6
United States
Disaggregation of Revenue [Line Items]
Net sales	3,605.5	3,635.5	3,132.0
International Countries
Disaggregation of Revenue [Line Items]
Net sales	947.7	879.2	827.6
Equipment
Disaggregation of Revenue [Line Items]
Net sales	4,069.2	4,048.6	3,518.3
Irrigation
Disaggregation of Revenue [Line Items]
Net sales	484.0	466.1	441.3
Operating Segments | Professional
Disaggregation of Revenue [Line Items]
Net sales	3,674.6	3,429.6	2,929.6
Operating Segments | Professional | United States
Disaggregation of Revenue [Line Items]
Net sales	2,898.5	2,737.9	2,268.9
Operating Segments | Professional | International Countries
Disaggregation of Revenue [Line Items]
Net sales	776.1	691.7	660.7
Operating Segments | Professional | Equipment
Disaggregation of Revenue [Line Items]
Net sales	3,236.9	3,003.0	2,530.8
Operating Segments | Professional | Irrigation
Disaggregation of Revenue [Line Items]
Net sales	437.7	426.6	398.8
Operating Segments | Residential
Disaggregation of Revenue [Line Items]
Net sales	854.2	1,068.6	1,010.1
Operating Segments | Residential | United States
Disaggregation of Revenue [Line Items]
Net sales	682.6	881.1	843.2
Operating Segments | Residential | International Countries
Disaggregation of Revenue [Line Items]
Net sales	171.6	187.5	166.9
Operating Segments | Residential | Equipment
Disaggregation of Revenue [Line Items]
Net sales	819.2	1,039.2	975.8
Operating Segments | Residential | Irrigation
Disaggregation of Revenue [Line Items]
Net sales	35.0	29.4	34.3
Other Activities
Disaggregation of Revenue [Line Items]
Net sales	24.4	16.5	19.9
Other Activities | United States
Disaggregation of Revenue [Line Items]
Net sales	24.4	16.5	19.9
Other Activities | International Countries
Disaggregation of Revenue [Line Items]
Net sales	0.0	0.0	0.0
Other Activities | Equipment
Disaggregation of Revenue [Line Items]
Net sales	13.1	6.4	11.7
Other Activities | Irrigation
Disaggregation of Revenue [Line Items]
Net sales	$ 11.3	$ 10.1	$ 8.2