Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data	3 Months Ended		6 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues:
Software, hardware and supplies	$ 31,860	$ 20,375	$ 60,771	$ 45,131
Implementation and training services	6,094	4,499	11,566	8,807
System sales	37,954	24,874	72,337	53,938
Maintenance	35,214	27,529	66,716	53,065
Electronic data interchange services	11,985	10,142	24,077	19,906
Revenue cycle management and related services	11,142	11,175	23,023	21,947
Other services	11,339	7,737	21,923	15,528
Maintenance, EDI, RCM and other services	69,680	56,583	135,739	110,446
Total revenues	107,634	81,457	208,076	164,384
Cost of revenue:
Software, hardware and supplies	4,187	4,696	8,801	10,908
Implementation and training services	5,050	3,475	9,125	6,465
Total cost of system sales	9,237	8,171	17,926	17,373
Maintenance	3,994	3,238	7,848	6,692
Electronic data interchange services	7,964	6,773	15,926	13,482
Revenue cycle management and related services	8,456	8,222	17,282	16,367
Other services	6,369	3,724	11,966	8,073
Total cost of maintenance, EDI, RCM and other services	26,783	21,957	53,022	44,614
Total cost of revenue	36,020	30,128	70,948	61,987
Gross profit	71,614	51,329	137,128	102,397
Operating expenses:
Selling, general and administrative	32,169	24,829	61,555	51,067
Research and development costs	7,358	5,232	14,185	10,688
Amortization of acquired intangible assets	520	445	1,002	792
Total operating expenses	40,047	30,506	76,742	62,547
Income from operations	31,567	20,823	60,386	39,850
Interest income	75	129	157	189
Other income (expense), net	(144)	65	(182)	59
Income before provision for income taxes	31,498	21,017	60,361	40,098
Provision for income taxes	11,002	7,587	20,882	14,576
Net income	$ 20,496	$ 13,430	$ 39,479	$ 25,522
Net income per share:
Basic	$ 0.35	$ 0.23	$ 0.67	$ 0.44
Diluted	$ 0.35	$ 0.23	$ 0.67	$ 0.44
Weighted-average shares outstanding:
Basic	58,664	57,870	58,511	57,830
Diluted	59,005	58,156	58,902	58,132
Dividends declared per common share	$ 0.175	$ 0.150	$ 0.350	$ 0.300