Pension Plans And Other Post Retirement Benefits (Components Of Net Pension Expense For Pension Plans) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Jun. 30, 2014
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	$ 542		$ 1,355
Defined Benefit Plan, Interest Cost	456		1,410
Net pension expense	1,220	353
GXS Germany defined benefit plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	80	0	173
Defined Benefit Plan, Interest Cost	190	0	408
Defined Benefit Plan, Amortization of Gains (Losses)	0	0
Net pension expense	270	0
GXS Philippines defined benefit plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Service Cost	340	0	724
Defined Benefit Plan, Interest Cost	67	0	125
Defined Benefit Plan, Amortization of Gains (Losses)	0	0
Net pension expense	$ 407	$ 0