Special Charges (Recoveries) (Schedule Of Restructuring Reserve) (Details) $ in Thousands	6 Months Ended
Dec. 31, 2015 USD ($)
OpenText/Actuate Restructuring Plan
Restructuring Reserve [Roll Forward]
Balance as of June 30, 2015	$ 5,968
Accruals and adjustments	21,029
Cash payments	(13,621)
Foreign exchange	(38)
Balance as of December 31, 2015	13,338
OpenText/Actuate Restructuring Plan \| Workforce Reduction
Restructuring Reserve [Roll Forward]
Balance as of June 30, 2015	3,842
Accruals and adjustments	16,758
Cash payments	(12,645)
Foreign exchange	(697)
Balance as of December 31, 2015	7,258
OpenText/Actuate Restructuring Plan \| Facility Costs
Restructuring Reserve [Roll Forward]
Balance as of June 30, 2015	2,126
Accruals and adjustments	4,271
Cash payments	(976)
Foreign exchange	659
Balance as of December 31, 2015	6,080
OpenText/GXS Restructuring Plan
Restructuring Reserve [Roll Forward]
Balance as of June 30, 2015	7,282
Accruals and adjustments	(2,033)
Cash payments	(1,751)
Foreign exchange	(562)
Balance as of December 31, 2015	2,936
OpenText/GXS Restructuring Plan \| Workforce Reduction
Restructuring Reserve [Roll Forward]
Balance as of June 30, 2015	2,846
Accruals and adjustments	(528)
Cash payments	(393)
Foreign exchange	(76)
Balance as of December 31, 2015	1,849
OpenText/GXS Restructuring Plan \| Facility Costs
Restructuring Reserve [Roll Forward]
Balance as of June 30, 2015	4,436
Accruals and adjustments	(1,505)
Cash payments	(1,358)
Foreign exchange	(486)
Balance as of December 31, 2015	$ 1,087

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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Amount of (expense) reversal of expense related to a previously accrued restructuring cost liability. Excludes adjustments for costs incurred, costs settled, and foreign currency translation adjustments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 40
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6394291&loc=d3e17658-110867

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 3, 4

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of gain (loss) from translating a restructuring reserve to the currency of the reporting entity from an amount denominated or measured in a different currency.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB TOPIC 5.P.4(b)(2))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Name Staff Accounting Bulletin (SAB)
-Number Topic 5
-Section P
-Subsection 3, 4

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