Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Mar. 31, 2012
Current assets:
Cash and cash equivalents	$ 129,906	$ 134,444
Restricted cash	4,768	1,962
Marketable securities	4,990	4,987
Accounts receivable, net	153,218	145,756
Inventories	4,228	3,715
Income taxes receivable	0	2,628
Deferred income taxes, net	10,143	10,127
Other current assets	7,563	9,090
Total current assets	314,816	312,709
Equipment and improvements, net	20,578	17,841
Capitalized software costs, net	21,865	19,994
Intangibles, net	33,292	23,259
Goodwill	63,161	60,776
Other assets	6,351	5,773
Total assets	460,063	440,352
Current liabilities:
Accounts payable	12,527	4,532
Deferred revenue	70,653	83,108
Accrued compensation and related benefits	11,180	11,870
Income taxes payable	4,413	0
Dividends payable	10,382	10,354
Other current liabilities	27,325	19,568
Total current liabilities	136,480	129,432
Deferred revenue, net of current	1,089	1,293
Deferred income taxes, net	5,357	5,351
Deferred compensation	2,926	3,497
Other noncurrent liabilities	7,654	5,602
Total liabilities	153,506	145,175
Commitments and contingencies (Note 12)
Shareholders' equity:
Common stock $0.01 par value; authorized 100,000 shares; issued and outstanding 59,343 and 59,180 shares at June 30, 2012 and March 31, 2012, respectively	593	592
Additional paid-in capital	175,354	169,033
Accumulated other comprehensive loss	(102)	(45)
Retained earnings	130,712	125,597
Total shareholders' equity	306,557	295,177
Total liabilities and shareholders' equity	$ 460,063	$ 440,352