Consolidated Statements of Income (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Revenues:
Software and hardware	$ 15,562	$ 23,720	$ 31,534	$ 49,564
Implementation and training services	7,809	8,535	14,384	20,581
System sales	23,371	32,255	45,918	70,145
Maintenance	40,313	38,715	78,921	77,283
Electronic data interchange services	16,545	15,024	33,237	28,847
Revenue cycle management and related services	15,467	14,486	31,482	28,887
Other services	15,385	15,648	31,052	29,262
Maintenance, EDI, RCM and other services	87,710	83,873	174,692	164,279
Total revenues	111,081	116,128	220,610	234,424
Cost of revenue:
Software and hardware	4,779	5,624	9,713	11,395
Implementation and training services	6,972	7,507	14,106	16,652
Total cost of system sales	11,751	13,131	23,819	28,047
Maintenance	5,262	4,741	10,564	9,552
Electronic data interchange services	10,650	9,151	21,446	18,399
Revenue cycle management and related services	11,007	10,556	22,408	21,426
Other services	9,012	8,785	17,517	17,335
Total cost of maintenance, EDI, RCM and other services	35,931	33,233	71,935	66,712
Total cost of revenue	47,682	46,364	95,754	94,759
Gross profit	63,399	69,764	124,856	139,665
Operating expenses:
Selling, general and administrative	38,578	37,832	73,674	74,513
Research and development costs	7,615	6,272	13,229	14,848
Amortization of acquired intangible assets	1,260	1,316	2,454	2,453
Total operating expenses	47,453	45,420	89,357	91,814
Income from operations	15,946	24,344	35,499	47,851
Interest income	(205)	(62)	(174)	(27)
Other expense, net	155	(220)	409	(7)
Income before provision for income taxes	15,586	24,502	34,916	47,831
Provision for income taxes	5,465	8,811	11,850	16,643
Net income	10,121	15,691	23,066	31,188
Foreign currency translation (net of $0 tax)	(20)	47	(193)	(10)
Comprehensive income	$ 10,101	$ 15,738	$ 22,873	$ 31,178
Net income per share:
Basic (in usd per share)	$ 0.17	$ 0.26	$ 0.39	$ 0.53
Diluted (in usd per share)	$ 0.17	$ 0.26	$ 0.39	$ 0.53
Weighted-average shares outstanding:
Basic (in usd per share)	59,734	59,347	59,647	59,314
Diluted (in usd per share)	59,751	59,386	59,663	59,386
Dividends declared per common share	$ 0.175	$ 0.175	$ 0.350	$ 0.350