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Pension Plans And Other Post Retirement Benefits (Schedule Of Weighted-Average Key Assumptions Used For Pension Plans) (Details) - Pension Plan [Member]	3 Months Ended	12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015
CDT [Member]
Defined Benefit Plan Disclosure [Line Items]
Salary increases	2.00%	2.00%
Pension increases	1.75%	1.75%
Discount rate	2.42%	2.36%
CDT [Member] | To Age 30 [Member]
Defined Benefit Plan Disclosure [Line Items]
Employee fluctuation rate	1.00%	1.00%
CDT [Member] | To Age 35 [Member]
Defined Benefit Plan Disclosure [Line Items]
Employee fluctuation rate	0.50%	0.50%
CDT [Member] | To Age 40 [Member]
Defined Benefit Plan Disclosure [Line Items]
Employee fluctuation rate	0.00%	0.00%
CDT [Member] | To Age 45 [Member]
Defined Benefit Plan Disclosure [Line Items]
Employee fluctuation rate	0.50%	0.50%
CDT [Member] | To Age 50 [Member]
Defined Benefit Plan Disclosure [Line Items]
Employee fluctuation rate	0.50%	0.50%
CDT [Member] | From Age 51 [Member]
Defined Benefit Plan Disclosure [Line Items]
Employee fluctuation rate	1.00%	1.00%
GXS Germany [Member]
Defined Benefit Plan Disclosure [Line Items]
Salary increases	2.00%	2.00%
Pension increases	2.00%	2.00%
Discount rate	2.64%	2.54%
GXS Germany [Member] | Minimum [Member]
Defined Benefit Plan Disclosure [Line Items]
Normal retirement age	65 years	65 years
GXS Germany [Member] | Maximum [Member]
Defined Benefit Plan Disclosure [Line Items]
Normal retirement age	67 years	67 years
GXS Philippine [Member]
Defined Benefit Plan Disclosure [Line Items]
Salary increases	7.00%	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

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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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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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