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Basis of Presentation - Additional Information (Details)	Jan. 24, 2017	Dec. 21, 2016	Dec. 31, 2016
Class of Stock Disclosures [Abstract]
Stock split ratio		2
Subsequent Event
Class of Stock Disclosures [Abstract]
Stock split ratio	2
OT South Africa
Noncontrolling Interest [Line Items]
Ownership percentage by Open Text			90.00%
GXS Korea
Noncontrolling Interest [Line Items]
Ownership percentage by Open Text			85.00%
GXS Singapore
Noncontrolling Interest [Line Items]
Ownership percentage by Open Text			81.00%

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Stock Split
-URI http://asc.fasb.org/extlink&oid=6525746

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