Consolidated Statements of Income (Loss) (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Revenues:
Software and hardware	$ 14,230	$ 15,562	$ 28,973	$ 31,534
Implementation and training services	7,040	7,809	13,306	14,384
System sales	21,270	23,371	42,279	45,918
Maintenance	42,135	40,313	82,940	78,921
Electronic data interchange services	18,906	16,545	37,225	33,237
Revenue cycle management and related services	17,432	15,467	34,125	31,482
Other services	20,776	15,385	41,844	31,052
Maintenance, EDI, RCM and other services	99,249	87,710	196,134	174,692
Total revenues	120,519	111,081	238,413	220,610
Cost of revenue:
Software and hardware	6,521	4,779	13,162	9,713
Implementation and training services	6,688	6,972	13,839	14,106
Total cost of system sales	13,209	11,751	27,001	23,819
Maintenance	6,785	5,262	13,699	10,564
Electronic data interchange services	12,015	10,650	24,014	21,446
Revenue cycle management and related services	13,202	11,007	25,908	22,408
Other services	11,562	9,012	22,341	17,517
Total cost of maintenance, EDI, RCM and other services	43,564	35,931	85,962	71,935
Total cost of revenue	56,773	47,682	112,963	95,754
Gross profit	63,746	63,399	125,450	124,856
Operating expenses:
Selling, general and administrative	38,681	38,578	75,411	73,674
Research and development costs	16,898	7,615	33,134	13,229
Amortization of acquired intangible assets	908	1,260	1,891	2,454
Total operating expenses	56,487	47,453	110,436	89,357
Income from operations	7,259	15,946	15,014	35,499
Interest income (expense), net	69	(205)	123	(174)
Other expense, net	26	155	17	409
Income before income taxes	7,302	15,586	15,120	34,916
Provision for income taxes	2,552	5,465	5,207	11,850
Net income	4,750	10,121	9,913	23,066
Foreign currency translation (net of $0 tax)	(68)	(20)	(76)	(193)
Unrealized gain on marketable securities (net of $0 tax)	34	0	27	0
Comprehensive income	$ 4,716	$ 10,101	$ 9,864	$ 22,873
Net income per share:
Basic (in usd per share)	$ 0.08	$ 0.17	$ 0.16	$ 0.39
Diluted (in usd per share)	$ 0.08	$ 0.17	$ 0.16	$ 0.39
Weighted-average shares outstanding:
Basic (in usd per share)	60,247	59,734	60,238	59,647
Diluted (in usd per share)	60,788	59,751	60,782	59,663
Dividends declared per common share	$ 0.175	$ 0.175	$ 0.35	$ 0.35