Guarantees and Contingencies - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 11, 2018	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Loss Contingencies [Line Items]
Settlement recovery		$ (983)	$ (6,766)	$ (14,193)
GXS India
Loss Contingencies [Line Items]
Loss contingency accrual		1,300
Internal Revenue Service (IRS)
Loss Contingencies [Line Items]
Estimated amount of loss resulting from an adverse tax position		770,000
Income tax examination, tax		455,000
Income tax examination, penalties		130,000
Income tax examination, interest		185,000
Internal Revenue Service (IRS) | Tax Year 2010
Loss Contingencies [Line Items]
Estimated amount of loss resulting from an adverse tax position	$ 335,000
Additional tax expense, as a percent	20.00%
Internal Revenue Service (IRS) | Tax Year 2012
Loss Contingencies [Line Items]
Additional tax expense, as a percent	40.00%
Income tax examination, change in liability	$ 80,000
Canada Revenue Agency (CRA)
Loss Contingencies [Line Items]
Estimated amount of loss resulting from an adverse tax position		$ 25,000
Canada Revenue Agency (CRA) | Tax Year 2012
Loss Contingencies [Line Items]
Additional tax expense, as a percent		10.00%
Canada Revenue Agency (CRA) | Tax Year 2013
Loss Contingencies [Line Items]
Additional tax expense, as a percent		10.00%
Canada Revenue Agency (CRA) | Tax Year 2014
Loss Contingencies [Line Items]
Additional tax expense, as a percent		10.00%
Pre-Acquisition Tax Liabilities Becoming Statute Barred
Loss Contingencies [Line Items]
Settlement recovery		$ 1,500	$ 2,200	$ 4,500
Pre-Acquisition Tax Liabilities Becoming Statute Barred | GXS Brazil
Loss Contingencies [Line Items]
Settlement recovery		1,500
Minimum | Canada Revenue Agency (CRA) | Tax Year 2012
Loss Contingencies [Line Items]
Income tax examination, estimate of increase to taxable income		90,000
Minimum | Canada Revenue Agency (CRA) | Tax Year 2013
Loss Contingencies [Line Items]
Income tax examination, estimate of increase to taxable income		90,000
Minimum | Canada Revenue Agency (CRA) | Tax Year 2014
Loss Contingencies [Line Items]
Income tax examination, estimate of increase to taxable income		90,000
Maximum | Canada Revenue Agency (CRA) | Tax Year 2012
Loss Contingencies [Line Items]
Income tax examination, estimate of increase to taxable income		100,000
Maximum | Canada Revenue Agency (CRA) | Tax Year 2013
Loss Contingencies [Line Items]
Income tax examination, estimate of increase to taxable income		100,000
Maximum | Canada Revenue Agency (CRA) | Tax Year 2014
Loss Contingencies [Line Items]
Income tax examination, estimate of increase to taxable income		$ 100,000