Business Combinations (Pro Forma) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Document Period End Date			Sep. 30, 2013
Business Acquisition, Pro Forma Information
Revenue	$ 50,293,000	$ 53,804,000	$ 153,863,000	$ 145,347,000
Net income	13,143,000	18,072,000	44,029,000	51,824,000
Basic EPS	$ 0.35	$ 0.49	$ 1.18	$ 1.41
Diluted EPS	$ 0.34	$ 0.46	$ 1.14	$ 1.32
Parent, ADAM, Planetsoft, BSI, Taimma, Fintechnix, TriSystems , Combined [Member] [Domain]
Business Acquisition, Pro Forma Information
Revenue, pro forma	50,293,000	54,806,000	154,772,000	160,266,000
Net income, pro forma	13,143,000	14,886,000	42,721,000	42,002,000
Basic EPS, pro forma	$ 0.35	$ 0.40	$ 1.14	$ 1.14
Diluted EPS, pro forma	$ 0.34	$ 0.38	$ 1.10	$ 1.06
Business Acquisition, Pro Forma Revenue, Increase (Decrease)	(4,500,000)		(5,500,000)
Business Acquisition, Pro Forma Revenue, Increase (Decrease), Percentage	(8.20%)		(3.40%)
Revenue, Net, Increase (Decrease)	(3,500,000)		8,500,000
Revenue, Net, Increase (Decrease), Percentage	(6.50%)		5.90%
Impact of Currency Rates [Member]
Business Acquisition, Pro Forma Information
Revenue, Net, Increase (Decrease)	1,600,000
Reduction in professional service revenues due to implementations being delayed [Member] | Planetsoft [Member]
Business Acquisition, Pro Forma Information
Revenue, Net, Increase (Decrease)	$ 1,300,000