Pension Plans and Other Post Retirement Benefits - Schedule of the Change in Benefit Obligation (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation—beginning of period	$ 61,520	$ 55,536
Service cost	1,913	2,409
Interest cost	1,059	1,467
Benefits paid	(1,329)	(1,494)
Actuarial (gain) loss	(6,984)	4,718
Foreign exchange (gain) loss	927	(1,116)
Benefit obligation—end of period	57,106	61,520	$ 55,536
Less: Current portion	(1,590)	(1,391)
Non-current portion of benefit obligation	55,516	60,129
Pension Plan
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Service cost	1,913	2,409	2,330
Interest cost	1,059	1,467	1,649
Pension Plan \| CDT
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation—beginning of period	29,450	26,091
Service cost	467	422	452
Interest cost	456	610	735
Benefits paid	(469)	(534)
Actuarial (gain) loss	(1,708)	3,299
Foreign exchange (gain) loss	685	(438)
Benefit obligation—end of period	28,881	29,450	26,091
Less: Current portion	(583)	(589)
Non-current portion of benefit obligation	28,298	28,861
Pension Plan \| GXS Germany
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation—beginning of period	24,729	22,420
Service cost	395	359	360
Interest cost	377	543	625
Benefits paid	(807)	(770)
Actuarial (gain) loss	(1,548)	2,564
Foreign exchange (gain) loss	584	(387)
Benefit obligation—end of period	23,730	24,729	22,420
Less: Current portion	(926)	(772)
Non-current portion of benefit obligation	22,804	23,957
Pension Plan \| GXS Philippines
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]
Benefit obligation—beginning of period	7,341	7,025
Service cost	1,051	1,628	1,518
Interest cost	226	314	289
Benefits paid	(53)	(190)
Actuarial (gain) loss	(3,728)	(1,145)
Foreign exchange (gain) loss	(342)	(291)
Benefit obligation—end of period	4,495	7,341	$ 7,025
Less: Current portion	(81)	(30)
Non-current portion of benefit obligation	$ 4,414	$ 7,311

This represents the current liability recognized in the balance sheet that is associated with the defined benefit pension plans.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 2
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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- Definition

This represents the noncurrent liability recognized in the balance sheet that is associated with the defined benefit pension plans.

+ References

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- Definition

Amount of gain (loss) related to change in benefit obligation resulting from changes in actuarial assumptions, for example, but not limited to, interest, mortality, employee turnover, salary, and temporary deviation from the substantive plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Glossary Gain or Loss
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- Definition

1) For defined benefit pension plans, the benefit obligation is the projected benefit obligation, which is the actuarial present value as of a date of all benefits attributed by the pension benefit formula to employee service rendered prior to that date. 2) For other postretirement defined benefit plans, the benefit obligation is the accumulated postretirement benefit obligation, which is the actuarial present value of benefits attributed to employee service rendered to a particular date.

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The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of gain (loss) from foreign currency exchange rate changes for benefit obligation for plans of a foreign operation whose functional currency is not the reporting currency.

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The increase in a defined benefit pension plan's projected benefit obligation or a defined benefit postretirement plan's accumulated postretirement benefit obligation due to the passage of time.

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The actuarial present value of benefits attributed by the pension benefit formula to services rendered by employees during the period. The portion of the expected postretirement benefit obligation attributed to employee service during the period. The service cost component is a portion of the benefit obligation and is unaffected by the funded status of the plan.

+ References

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