Subsequent Events	3 Months Ended
Jan. 31, 2021
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsOn February 2, 2021, CooperVision entered into a stock purchase agreement to sell 50% of the equity interest in a wholly-owned subsidiary that was acquired by CooperVision on January 19, 2021. Refer to Note 2. Acquisitions for more information. The closing of this transaction is subject to certain regulatory approvals. The Company intends to operate the previously wholly-owned subsidiary as a joint venture with the purchaser of the 50% interest once the regulatory approvals are received and the transaction is closed.

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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