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Acquisitions (Identifiable Assets Acquired and Liabilities Assumed) (Details) (USD $) In Thousands, unless otherwise specified	0 Months Ended
	Jan. 16, 2014	Dec. 31, 2014	Jun. 30, 2014
Business Acquisition [Line Items]
Goodwill		$ 1,940,304us-gaap_Goodwill	$ 1,963,557us-gaap_Goodwill
GXS Group, Inc. [Member]
Business Acquisition [Line Items]
Current assets (inclusive of cash acquired of $24,382)	127,406
Cash acquired from acquisition	24,382
Non-current tangible assets	36,139
Liabilities and non-controlling interest assumed	(105,459)
Total identifiable net assets	545,886
Goodwill	672,765
Net assets acquired	1,218,651
Customer Assets [Member] \| GXS Group, Inc. [Member]
Business Acquisition [Line Items]
Intangible assets	364,600
Technology Assets [Member] \| GXS Group, Inc. [Member]
Business Acquisition [Line Items]
Intangible assets	$ 123,200