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Pension Plans And Other Post Retirement Benefits - Schedule Of Weighted-Average Key Assumptions Used For Pension Plans (Details) - Pension Plan	3 Months Ended	12 Months Ended
	Sep. 30, 2016	Jun. 30, 2016
CDT
Assumptions:
Salary increases	2.00%	2.00%
Pension increases	1.75%	1.75%
Discount rate	1.33%	1.56%
Normal retirement age	65 years	65 years
CDT | to age 20
Assumptions:
Employee fluctuation rate	0.00%	0.00%
CDT | to age 25
Assumptions:
Employee fluctuation rate	0.00%	0.00%
CDT | to age 30
Assumptions:
Employee fluctuation rate	1.00%	1.00%
CDT | to age 35
Assumptions:
Employee fluctuation rate	0.50%	0.50%
CDT | to age 40
Assumptions:
Employee fluctuation rate	0.00%	0.00%
CDT | to age 45
Assumptions:
Employee fluctuation rate	0.50%	0.50%
CDT | to age 50
Assumptions:
Employee fluctuation rate	0.50%	0.50%
CDT | from age 51
Assumptions:
Employee fluctuation rate	1.00%	1.00%
GXS Germany
Assumptions:
Salary increases	2.00%	2.00%
Pension increases	2.00%	2.00%
Discount rate	1.33%	1.56%
GXS Germany | Minimum
Assumptions:
Normal retirement age	65 years	65 years
GXS Germany | Maximum
Assumptions:
Normal retirement age	67 years	67 years
GXS Philippines
Assumptions:
Salary increases	6.20%	6.20%
Pension increases	4.50%	4.75%
Discount rate	4.50%	4.25%
Normal retirement age	60 years	60 years
GXS Philippines | to age 20
Assumptions:
Employee fluctuation rate	7.90%	7.90%
GXS Philippines | to age 25
Assumptions:
Employee fluctuation rate	5.70%	5.70%
GXS Philippines | to age 30
Assumptions:
Employee fluctuation rate	4.10%	4.10%
GXS Philippines | to age 35
Assumptions:
Employee fluctuation rate	2.90%	2.90%
GXS Philippines | to age 40
Assumptions:
Employee fluctuation rate	1.90%	1.90%
GXS Philippines | to age 45
Assumptions:
Employee fluctuation rate	1.40%	1.40%
GXS Philippines | to age 50
Assumptions:
Employee fluctuation rate	0.00%	0.00%
GXS Philippines | from age 51
Assumptions:
Employee fluctuation rate	0.00%	0.00%

X

- Definition

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

+ References

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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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X

- 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=65897934&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=65897934&loc=d3e1928-114920

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- Definition

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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