Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2011	Mar. 31, 2011
Current assets:
Cash and cash equivalents	$ 124,054	$ 116,617
Restricted cash	4,487	3,787
Marketable securities	1,110	1,120
Accounts receivable, net	148,907	139,772
Inventories	2,145	1,933
Deferred income taxes, net	10,397	10,397
Other current assets	8,232	8,768
Total current assets	299,332	282,394
Equipment and improvements, net	13,778	12,599
Capitalized software costs, net	15,738	15,150
Intangibles, net	17,919	16,890
Goodwill	48,624	46,721
Other assets	4,892	4,932
Total assets	400,283	378,686
Current liabilities:
Accounts payable	6,145	6,686
Deferred revenue	80,027	76,695
Accrued compensation and related benefits	9,901	10,247
Income taxes payable	7,889	3,530
Dividends payable	10,229	10,162
Other current liabilities	17,368	29,316
Total current liabilities	131,559	136,636
Deferred revenue, net of current	1,106	1,099
Deferred income taxes, net	11,384	11,384
Deferred compensation	2,784	2,488
Other noncurrent liabilities	2,918	2,409
Total liabilities	149,751	154,016
Commitments and contingencies (Note 14)
Shareholders' equity:
Common stock $0.01 par value; authorized 50,000 shares; issued and outstanding 29,264 and 29,034 shares at June 30, 2011 and March 31, 2011, respectively	292	290
Additional paid-in capital	150,363	133,259
Retained earnings	99,877	91,121
Total shareholders' equity	250,532	224,670
Total liabilities and shareholders' equity	$ 400,283	$ 378,686