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v3.8.0.1

Deferred Charges and Credits (Details) | 9 Months Ended
--- | ---
Mar. 31, 2018
Minimum |
Schedule of Deferred Charges and Credits [Line Items] |
Deferred charges and credits amortization, period | 6 years
Maximum |
Schedule of Deferred Charges and Credits [Line Items] |
Deferred charges and credits amortization, period | 15 years

X
- 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

X
- Definition [Line Items] for Schedule of Deferred Charges and Credits [Table] + References No definition available. + Details
Name: | otex_ScheduleofDeferredChargesandCreditsLineItems
Namespace Prefix: | otex_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |