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Pension Plans And Other Post Retirement Benefits (Schedule Of Weighted-Average Key Assumptions Used For Pension Plans) (Details) - Pension Plan	9 Months Ended	12 Months Ended
	Mar. 31, 2016	Jun. 30, 2015
CDT
Defined Benefit Plan Disclosure [Line Items]
Salary increases	2.00%	2.00%
Pension increases	1.75%	1.75%
Discount rate	1.94%	2.36%
CDT | To Age 30
Defined Benefit Plan Disclosure [Line Items]
Employee fluctuation rate	1.00%	1.00%
CDT | To Age 35
Defined Benefit Plan Disclosure [Line Items]
Employee fluctuation rate	0.50%	0.50%
CDT | To Age 40
Defined Benefit Plan Disclosure [Line Items]
Employee fluctuation rate	0.00%	0.00%
CDT | To Age 45
Defined Benefit Plan Disclosure [Line Items]
Employee fluctuation rate	0.50%	0.50%
CDT | To Age 50
Defined Benefit Plan Disclosure [Line Items]
Employee fluctuation rate	0.50%	0.50%
CDT | From Age 51
Defined Benefit Plan Disclosure [Line Items]
Employee fluctuation rate	1.00%	1.00%
GXS Germany
Defined Benefit Plan Disclosure [Line Items]
Salary increases	2.00%	2.00%
Pension increases	2.00%	2.00%
Discount rate	2.13%	2.54%
GXS Germany | Minimum
Defined Benefit Plan Disclosure [Line Items]
Normal retirement age	65 years	65 years
GXS Germany | Maximum
Defined Benefit Plan Disclosure [Line Items]
Normal retirement age	67 years	67 years
GXS Philippines
Defined Benefit Plan Disclosure [Line Items]
Salary increases	6.20%	7.00%
Pension increases	4.00%	3.50%
Discount rate	4.75%	4.75%
Normal retirement age	60 years	60 years

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- Definition

Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Pension Increase

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- Definition

Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Retirement Age

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- Definition

Employee Fluctuation Rate

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- Definition

The interest rate used to adjust for the time value of money for the plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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- Definition

Expected rate of compensation increases (for pay-related plans).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(2)
-URI http://asc.fasb.org/extlink&oid=58740216&loc=d3e1928-114920

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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.

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