Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2024	Mar. 31, 2024
Current assets:
Cash and cash equivalents	$ 398,361	$ 389,674
Marketable securities and investments	28,536	33,459
Accounts receivable and unbilled costs, net of allowance for credit allowances of $85 and $479 at December 31, 2024 and March 31, 2024, respectively	214,585	192,096
Inventories and deferred costs	14,414	14,095
Prepaid income taxes	8,800	11,076
Prepaid expenses and other current assets	27,461	32,094
Total current assets	692,157	672,494
Fixed assets, net	22,054	26,487
Operating lease right-of-use assets	36,582	42,486
Goodwill	1,079,111	1,502,820
Intangible assets, net	270,027	308,659
Deferred income taxes	62,519	30,767
Long-term marketable securities	1,015	994
Other assets	11,280	10,595
Total assets	2,174,745	2,595,302
Current liabilities:
Accounts payable	13,693	14,506
Accrued compensation	54,657	51,362
Accrued other	16,915	14,665
Income taxes payable	764	764
Deferred revenue and customer deposits	284,783	301,806
Current portion of operating lease liabilities	10,959	11,979
Total current liabilities	381,771	395,082
Other long-term liabilities	7,525	7,055
Deferred tax liability	3,652	4,374
Accrued long-term retirement benefits	27,346	28,413
Long-term deferred revenue and customer deposits	127,070	130,212
Operating lease liabilities, net of current portion	31,798	38,101
Long-term debt	75,000	100,000
Total liabilities	654,162	703,237
Commitments and contingencies (Note 14)
Preferred stock, $0.001 par value:
5,000,000 shares authorized; no shares issued or outstanding at December 31, 2024 and March 31, 2024	0	0
Common stock, $0.001 par value:
300,000,000 shares authorized; 133,718,142 and 131,316,309 shares issued and 71,745,945 and 71,404,216 shares outstanding at December 31, 2024 and March 31, 2024, respectively	133	131
Additional paid-in capital	3,234,959	3,181,366
Accumulated other comprehensive income	3,120	3,572
Treasury stock at cost, 61,972,197 and 59,912,093 shares at December 31, 2024 and March 31, 2024, respectively	(1,654,569)	(1,615,483)
(Accumulated deficit) retained earnings	(63,060)	322,479
Total stockholders' equity	1,520,583	1,892,065
Total liabilities and stockholders' equity	$ 2,174,745	$ 2,595,302