Goodwill and Other Intangible Assets - Summary of Carrying Amount of Net Intangible Assets by Class (Detail) - USD ($) $ in Millions	Oct. 31, 2018	Oct. 31, 2017
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Indefinite lived intangible assets	$ 13.3
Gross Intangible Assets	207.6	$ 218.6
Accumulated Amortization	127.0	120.6
Net Intangible Assets	80.6	98.0
Customer relationships
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Gross Intangible Assets	162.2	170.2
Accumulated Amortization	105.8	99.7
Net Intangible Assets	56.4	70.5
Trademarks and patents
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Gross Intangible Assets	10.9	11.6
Accumulated Amortization	5.1	4.9
Net Intangible Assets	5.8	6.7
Other
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Gross Intangible Assets	21.2	23.4
Accumulated Amortization	16.1	16.0
Net Intangible Assets	5.1	7.4
Trademarks and patents
Finite Lived And Indefinite Lived Intangible Assets [Line Items]
Indefinite lived intangible assets	$ 13.3	$ 13.4