Condensed Consolidated Statements Of Income (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Revenues:
Processing and related services	$ 129,113	$ 121,363	$ 260,491	$ 243,409
Software, maintenance and services	52,199	9,983	103,913	18,200
Total revenues	181,312	131,346	364,404	261,609
Cost of revenues (exclusive of depreciation, shown separately below):
Processing and related services	60,802	68,925	122,061	135,929
Software, maintenance and services	30,074	5,912	59,579	11,880
Total cost of revenues	90,876	74,837	181,640	147,809
Other operating expenses:
Research and development	27,920	18,990	56,558	37,502
Selling, general and administrative	32,526	16,678	65,865	33,212
Depreciation	6,273	6,091	12,520	11,713
Restructuring charges	1,346	(7)	1,346	214
Total operating expenses	158,941	116,589	317,929	230,450
Operating income	22,371	14,757	46,475	31,159
Other income (expense):
Interest expense	(4,325)	(1,629)	(8,666)	(3,177)
Amortization of original issue discount	(1,420)	(1,685)	(2,869)	(3,985)
Interest and investment income, net	175	251	409	367
Loss on repurchase of convertible debt securities				(10,952)
Other, net	(985)	6	(1,288)	4
Total other	(6,555)	(3,057)	(12,414)	(17,743)
Income before income taxes	15,816	11,700	34,061	13,416
Income tax provision	(6,801)	(234)	(13,552)	(886)
Net income	$ 9,015	$ 11,466	$ 20,509	$ 12,530
Weighted-average shares outstanding - Basic:
Common stock	32,866	32,303	32,738	32,677
Participating restricted stock	161	531	244	637
Total	33,027	32,834	32,982	33,314
Weighted-average shares outstanding - Diluted:
Common stock	33,072	32,562	32,962	32,938
Participating restricted stock	161	531	244	637
Total	33,233	33,093	33,206	33,575
Earnings per common share:
Basic	$ 0.27	$ 0.35	$ 0.62	$ 0.38
Diluted	$ 0.27	$ 0.35	$ 0.62	$ 0.37