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Inventories - Schedule of Inventories (Detail) - USD ($) $ in Thousands | Jan. 31, 2021 | Oct. 31, 2020
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Inventory Disclosure [Abstract] |  |
Finished goods | $ 184,065 | $ 183,860
Raw materials and component parts | 100,496 | 94,630
Work-in-process | 47,345 | 44,403
Inventories - gross | 331,906 | 322,893
Obsolescence and other reserves | (44,471) | (41,315)
LIFO reserve | (4,995) | (4,545)
Inventories - net | $ 282,440 | $ 277,033

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- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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