Business Acquisitions (Intangible Assets Acquired) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 BSI, TAIMMA, FINTECHNIX, PLANETSOFT, TRISYSTEMS [Member]	Dec. 31, 2012 BSI, TAIMMA, FINTECHNIX, PLANETSOFT, TRISYSTEMS [Member] Customer Relationships [Member]	Dec. 31, 2012 BSI, TAIMMA, FINTECHNIX, PLANETSOFT, TRISYSTEMS [Member] Developed Technology [Member]	Dec. 31, 2012 BSI, TAIMMA, FINTECHNIX, PLANETSOFT, TRISYSTEMS [Member] Noncompete Agreements [Member]	Dec. 31, 2012 BSI, TAIMMA, FINTECHNIX, PLANETSOFT, TRISYSTEMS [Member] Trademarks [Member]	Dec. 31, 2013 Qatarlyst [Member]	Dec. 31, 2013 Qatarlyst [Member] Customer Relationships [Member]	Dec. 31, 2013 Qatarlyst [Member] Developed Technology [Member]	Dec. 31, 2013 Qatarlyst [Member] Noncompete Agreements [Member]	Dec. 31, 2013 Qatarlyst [Member] Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Total acquired intangible assets, Fair Value	$ 20,246	$ 17,365	$ 2,327	$ 118	$ 436	$ 5,396	$ 4,761	$ 635	$ 0	$ 0
Acquired intangible assets, Weighted Average Useful Life (in years)	10 years 1 month	10 years 11 months	4 years 6 months	5 years	10 years	10 years 3 months	11 years 0 months	5 years 0 months	0 years	0 years