Inventories - Schedule of Inventories (Details) - USD ($) $ in Millions	Jul. 31, 2023	Oct. 31, 2022
Inventory Disclosure [Abstract]
Chassis	$ 119.5	$ 82.7
Raw materials & parts	221.3	240.6
Work in process	270.3	281.1
Finished products	42.0	35.5
Inventory, Gross, Total	653.1	639.9
Less: reserves	(9.1)	(10.4)
Total inventories, net	$ 644.0	$ 629.5

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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Gross amount, as of the balance sheet date, of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount of valuation reserve for inventory.

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Amount before valuation and LIFO reserves of merchandise or goods in the production process expected to be completed within one year or operating cycle, if longer.

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Gross amount of components used by the entity which are bought from another entity rather than produced by the entity.

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