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Deferred Charges And Credits (Details) | 12 Months Ended
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Jun. 30, 2012
Deferred Costs [Abstract] |
Deferred charges and credits amortization, period | 6 years

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- Definition Deferred Charges Amortization Period + References No definition available. + Details
Name: | otex_DeferredChargesAmortizationPeriod
Namespace Prefix: | otex_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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