Description of Business and Summary of Significant Accounting Policies (Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Qatarlyst [Member]	Dec. 31, 2012 BSI, TAIMMA, FINTECHNIX, PLANETSOFT, TRISYSTEMS [Member]	Dec. 31, 2013 Final Allocation [Member] Qatarlyst [Member]	Apr. 07, 2013 Final Allocation [Member] Qatarlyst [Member]	Mar. 31, 2012 Final Allocation [Member] BSI [Member]	Apr. 02, 2012 Final Allocation [Member] Taimma [Member]	Jun. 02, 2012 Final Allocation [Member] Planetsoft [Member]	Jun. 03, 2012 Final Allocation [Member] Fintechnix [Member]	Aug. 01, 2012 Final Allocation [Member] TriSystems [Member]	Dec. 31, 2012 Final Allocation [Member] BSI, TAIMMA, FINTECHNIX, PLANETSOFT, TRISYSTEMS [Member]
Goodwill [Line Items]
Business acquisition, purchase price allocation, goodwill	$ 337,068	$ 326,748			$ 11,136	$ 11,136	$ 3,243	$ 7,557	$ 44,116	$ 3,706	$ 8,754	$ 67,376
Goodwill [Roll Forward]
Goodwill, beginning balance	326,748	259,218			11,136	11,136	3,243	7,557	44,116	3,706	8,754	67,376
Additions, net	11,136	67,401	11,136	67,376
Foreign currency translation adjustments	(816)	129
Goodwill, ending balance	$ 337,068	$ 326,748			$ 11,136	$ 11,136	$ 3,243	$ 7,557	$ 44,116	$ 3,706	$ 8,754	$ 67,376