SUBSEQUENT EVENTS	9 Months Ended
Jul. 31, 2021
Subsequent Events [Abstract]
Subsequent Events	SUBSEQUENT EVENTIn August 2021, the Company, through a subsidiary of HFSC, acquired 89% of the equity of Ridge Engineering, Inc. (“Ridge”) and The Bechdon Company, Inc. (“Bechdon”). Ridge performs tight-tolerance machining and brazing of large-sized parts in mission-critical defense and aerospace applications. Bechdon provides machining, fabrication and welding services for aerospace, defense and other industrial applications. The remaining 11% interest continues to be owned by certain members of Ridge's and Bechdon's management team. The purchase price of these acquisitions was paid in cash using cash on hand and the total consideration for the acquisitions is not material or significant to the Company's condensed consolidated financial statements.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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