XML 82 R64.htm IDEA: XBRL DOCUMENT v3.21.4

Note 15 - Shareholders' Equity - Share Repurchases (Details) - USD ($)	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
Shares repurchased (in shares)	0	0	351
Shares repurchased, at cost	$ 0	$ 0	$ 1,573

X

- Definition

Represents the repurchase and retirement of common stock (at cost).

+ References

No definition available.

+ Details

Name:	occ_RepurchaseAndRetirementOfCommonStockAtCost
Namespace Prefix:	occ_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents the repurchase and retirement of common stock shares.

+ References

No definition available.

+ Details

Name:	occ_RepurchaseAndRetirementOfCommonStockShares
Namespace Prefix:	occ_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration