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Shareholders' Equity (Schedule Of Share Repurchases) (Details) (USD $) | 12 Months Ended
--- | ---
Oct. 31, 2013 | Oct. 31, 2012 | Oct. 31, 2011
Stockholders' Equity Note [Abstract] |  |  |
Shares repurchased (shares) | 129,500 | 267,000 | 183,025
Cost | $ 543,420 | $ 1,176,661 | $ 846,287

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- Definition Repurchase and retirement of common stock (at cost) + References No definition available. + Details
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Namespace Prefix: | occ_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Repurchase and retirement of common stock, shares + References No definition available. + Details
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Namespace Prefix: | occ_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration