Pension Plans And Other Post Retirement Benefits - Anticipated Pension Payments Under Pension Plans (Details) - Pension Plan $ in Thousands	Dec. 31, 2016 USD ($)
CDT
Assumptions:
2017 (six months ended June 30)	$ 279
2018	598
2019	669
2020	731
2021	809
2022 to 2026	4,780
Total	7,866
GXS Germany
Assumptions:
2017 (six months ended June 30)	368
2018	819
2019	874
2020	923
2021	936
2022 to 2026	5,175
Total	9,095
GXS Philippines
Assumptions:
2017 (six months ended June 30)	36
2018	88
2019	129
2020	147
2021	240
2022 to 2026	1,696
Total	$ 2,336

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+ References

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Amount of benefits from a defined benefit plan expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ 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 (f)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

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- Definition

Amount of benefits from a defined benefit plan expected to be paid in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of benefits from a defined benefit plan expected to be paid in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of benefits from a defined benefit plan expected to be paid in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of benefits from a defined benefit plan expected to be paid in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Amount of benefits from a defined benefit plan expected to be paid in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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