Pension Plans and Other Post Retirement Benefits - Additional Information (Details) - Pension Plan	12 Months Ended
	Jun. 30, 2017 USD ($)
CDT
Assumptions:
Contributions made by employer to plan	$ 0
Amount to be amortized from accumulated other comprehensive income (loss) over the next fiscal year	500,000
GXS Germany
Assumptions:
Contributions made by employer to plan	0
Amount to be amortized from accumulated other comprehensive income (loss) over the next fiscal year	100,000
GXS Philippines
Assumptions:
Contributions made by employer to plan	0
Amount to be amortized from accumulated other comprehensive income (loss) over the next fiscal year	200,000
Fair value of plan assets	$ 33,300