Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
Indefinite-Lived Intangible Assets [Line Items]
Amortization expense	$ 0.6	$ 1.0	$ 1.2	$ 2.4
Estimated future amortization expense of finite-lived intangible assets remaining six months	1.1		1.1
Estimated future amortization expense of finite-lived intangible assets year one	1.7		1.7
Estimated future amortization expense of finite-lived intangible assets year two	1.2		1.2
Estimated future amortization expense of finite-lived intangible assets year three	1.2		1.2
Estimated future amortization expense of finite-lived intangible assets year four	1.2		1.2
Estimated future amortization expense of finite-lived intangible assets year five	$ 0.6		0.6
Trade Names [Member]
Indefinite-Lived Intangible Assets [Line Items]
Impairment charge			(7.2)
Trade Names [Member] | Level 3 [Member]
Indefinite-Lived Intangible Assets [Line Items]
Impairment charge			$ 7.2