Condensed Consolidated Statements Of Income (USD $) In Thousands, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues:
Processing and related services	$ 131,099	$ 124,984	$ 391,590	$ 368,393
Software, maintenance and services	51,654	8,707	155,567	26,907
Total revenues	182,753	133,691	547,157	395,300
Cost of revenues (exclusive of depreciation, shown separately below):
Processing and related services	62,167	61,675	184,228	197,604
Software, maintenance and services	30,821	6,120	90,400	18,000
Total cost of revenues	92,988	67,795	274,628	215,604
Other operating expenses:
Research and development	27,921	19,113	84,479	56,615
Selling, general and administrative	31,011	19,396	96,876	52,608
Depreciation	6,404	4,865	18,924	16,578
Restructuring charges	1,662		3,008	214
Total operating expenses	159,986	111,169	477,915	341,619
Operating income	22,767	22,522	69,242	53,681
Other income (expense):
Interest expense	(4,175)	(1,562)	(12,841)	(4,739)
Amortization of original issue discount	(1,158)	(1,462)	(4,027)	(5,447)
Interest and investment income, net	186	157	595	524
Loss on repurchase of convertible debt securities		(1,683)		(12,635)
Other, net	2,151	13	863	17
Total other	(2,996)	(4,537)	(15,410)	(22,280)
Income before income taxes	19,771	17,985	53,832	31,401
Income tax provision	(9,292)	(6,295)	(22,844)	(7,181)
Net income	$ 10,479	$ 11,690	$ 30,988	$ 24,220
Weighted-average shares outstanding-Basic:
Common stock	32,765	32,365	32,747	32,573
Participating restricted stock	141	464	210	579
Total	32,906	32,829	32,957	33,152
Weighted-average shares outstanding-Diluted:
Common stock	32,887	32,625	32,937	32,834
Participating restricted stock	141	464	210	579
Total	33,028	33,089	33,147	33,413
Earnings per common share:
Basic	$ 0.32	$ 0.36	$ 0.94	$ 0.73
Diluted	$ 0.32	$ 0.35	$ 0.93	$ 0.72