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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
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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 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 + Details
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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 + Details
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