Goodwill, Purchased Intangibles, and Software Development Costs - Schedule of Goodwill by Segment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Goodwill [Line Items]
Beginning Balance	$ 559,231
Foreign currency translation	17
Ending Balance	559,248
Americas
Goodwill [Line Items]
Beginning Balance		308,159
Ending Balance	308,159	308,159
EMEA
Goodwill [Line Items]
Beginning Balance		101,882
Ending Balance	101,882	101,882
APAC
Goodwill [Line Items]
Beginning Balance	149,190
Foreign currency translation	17
Ending Balance	$ 149,207