Pension Plans and Other Post Retirement Benefits - Anticipated Pension Payments Under Pension Plans (Details) - Pension Plan $ in Thousands	Mar. 31, 2018 USD ($)
CDT
Assumptions:
2018 (three months ended June 30)	$ 159
2019	706
2020	760
2021	858
2022	945
2023 to 2027	5,912
Total	9,340
GXS Germany
Assumptions:
2018 (three months ended June 30)	253
2019	1,042
2020	1,050
2021	1,095
2022	1,106
2023 to 2027	5,895
Total	10,441
GXS Philippines
Assumptions:
2018 (three months ended June 30)	25
2019	115
2020	154
2021	194
2022	297
2023 to 2027	2,056
Total	$ 2,841

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Amount of benefits for defined benefit plan expected to be paid in five fiscal years after fifth fiscal year following latest fiscal year.

+ 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=82843861&loc=d3e1928-114920

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Amount of benefits for defined benefit plan expected to be paid in remainder of fiscal year.

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Amount of benefits for defined benefit plan expected to be paid in third fiscal year following latest fiscal year.

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