Inventories - Schedule of Inventories (Detail) - USD ($) $ in Thousands	Apr. 30, 2021	Oct. 31, 2020
Inventory Disclosure [Abstract]
Finished goods	$ 194,625	$ 183,860
Raw materials and component parts	101,076	94,630
Work-in-process	49,808	44,403
Inventories - gross	345,509	322,893
Obsolescence and other reserves	(44,864)	(41,315)
LIFO reserve	(4,804)	(4,545)
Inventories - net	$ 295,841	$ 277,033

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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 by which inventory stated at last-in first-out (LIFO) is less than (in excess of) inventory stated at other inventory cost methods.

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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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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

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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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