Inventories - Schedule of Inventories (Detail) - USD ($) $ in Thousands	Apr. 30, 2018	Oct. 31, 2017
Inventory Disclosure [Abstract]
Raw materials and component parts	$ 109,078	$ 105,424
Work-in-process	53,745	45,743
Finished goods	167,404	152,923
Inventories - gross	330,227	304,090
Obsolescence and other reserves	(38,753)	(33,140)
LIFO reserve	(7,111)	(6,684)
Inventories - net	$ 284,363	$ 264,266

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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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