Investment in Joint Venture - Narrative (Details) - USD ($)	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018	Dec. 20, 2019
Schedule of Equity Method Investments [Line Items]
Maximum borrowing capacity under credit facility	$ 13,400,000	$ 13,300,000
Line of Credit
Schedule of Equity Method Investments [Line Items]
Maximum borrowing capacity under credit facility	$ 600,000,000.0
Red Iron Acceptance, LLC
Schedule of Equity Method Investments [Line Items]
Portion owned by Toro (as a percent)	45.00%
Portion owned by TCFIF (as a percent)	55.00%
Period of unlimited automatic extensions after the initial term of joint venture	2 years
Period of notice to be given by parties under joint venture for not extending initial term of joint venture	1 year
Period of review for products acquired in future acquisitions to asses potential benefits and detriments	2 years
Period of pro-rata payback after initial term of joint venture	5 years
Maximum borrowing capacity under credit facility	$ 625,000,000.0
Investment in joint venture	19,700,000	24,100,000
Maximum aggregate amount of products repossessed by Red Iron and the TCFIF Canadian affiliate, entity has agreed to repurchase in a calendar year	7,500,000
Net amount of receivables financed for dealers and distributors	1,832,500,000	1,924,900,000	$ 1,959,700,000
Receivable due	$ 12,600,000	21,900,000
Red Iron Acceptance, LLC | Twin City Federal Inventory Finance Incorporated Secured Revolving Credit Facility | Line of Credit
Schedule of Equity Method Investments [Line Items]
Maximum borrowing capacity under credit facility		$ 550,000,000.0		$ 625,000,000.0