CONDENSED CONSOLIDATED STATEMENTS OF INCOME - UNAUDITED - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenues:
Processing and related services	$ 141,289	$ 136,357	$ 285,122	$ 278,715
Software and services	22,437	25,618	45,070	50,474
Maintenance	18,915	22,583	38,080	43,397
Total revenues	182,641	184,558	368,272	372,586
Cost of revenues (exclusive of depreciation, shown separately below):
Processing and related services	64,767	67,364	134,027	135,791
Software and services	16,559	17,871	37,668	43,191
Maintenance	10,470	8,447	20,367	16,804
Total cost of revenues	91,796	93,682	192,062	195,786
Other operating expenses:
Research and development	25,897	26,437	51,626	51,444
Selling, general and administrative	34,572	39,140	68,014	74,439
Depreciation	3,850	3,440	7,545	6,926
Restructuring and reorganization charges	370	39	976	1,257
Total operating expenses	156,485	162,738	320,223	329,852
Operating income	26,156	21,820	48,049	42,734
Other income (expense):
Interest expense	(2,537)	(2,546)	(5,905)	(5,318)
Amortization of original issue discount	(1,547)	(1,430)	(3,063)	(2,834)
Interest and investment income, net	229	225	396	438
Other, net	145	(328)	(320)	(277)
Total other	(3,710)	(4,079)	(8,892)	(7,991)
Income before income taxes	22,446	17,741	39,157	34,743
Income tax provision	(9,652)	(8,338)	(17,005)	(15,649)
Net income	$ 12,794	$ 9,403	$ 22,152	$ 19,094
Weighted-average shares outstanding:
Basic	30,798	32,619	31,170	32,469
Diluted	33,095	33,543	33,217	33,789
Earnings per common share:
Basic	$ 0.42	$ 0.29	$ 0.71	$ 0.59
Diluted	0.39	0.28	0.67	0.57
Cash dividends declared per common share:	$ 0.1750	$ 0.1575	$ 0.3500	$ 0.3075