XML 65 R53.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Basis of Presentation - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Sep. 30, 2018 | Dec. 31, 2018 | Dec. 31, 2017 | Jun. 30, 2018
Noncontrolling Interest [Line Items] |  |  |  |
Acquisition of additional non-controlling interests |  | $ 583 | $ 0 |
OT South Africa |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage by Open Text |  | 70.00% |  |
GXS Singapore |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage by Open Text |  | 81.00% |  |
GXS Korea |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage by Open Text |  |  |  | 85.00%
Acquisition of additional non-controlling interests | $ 600 |  |  |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_MinorityInterestLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of cash outflow to a noncontrolling interest. Includes, but not limited to, reduction of noncontrolling interest ownership. Excludes dividends paid to the noncontrolling interest. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsToMinorityShareholders
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_OwnershipAxis=otex_OpenTextSouthAfricaProprietaryLtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=otex_EC1Pte.LtdMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=otex_GXSKoreaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |