Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2025	Mar. 31, 2024
Current assets:
Cash and cash equivalents	$ 457,415	$ 389,674
Marketable securities and investments	34,058	33,459
Accounts receivable and unbilled costs, net of allowance for doubtful accounts of $214 and $479 at March 31, 2025 and 2024, respectively	163,654	192,096
Inventories and deferred costs	12,891	14,095
Prepaid income taxes	13,380	11,076
Prepaid expenses and other current assets	31,786	32,094
Total current assets	713,184	672,494
Fixed assets, net	21,529	26,487
Operating lease right-of-use assets	37,717	42,486
Goodwill	1,076,383	1,502,820
Intangible assets, net	258,690	308,659
Deferred income taxes	66,294	30,767
Long-term marketable securities	1,004	994
Other assets	11,777	10,595
Total assets	2,186,578	2,595,302
Current liabilities:
Accounts payable	18,208	14,506
Accrued compensation	56,696	51,362
Accrued other	19,397	14,665
Income taxes payable	883	764
Deferred revenue and customer deposits	301,753	301,806
Current portion of operating lease liabilities	10,995	11,979
Total current liabilities	407,932	395,082
Other long-term liabilities	8,210	7,055
Deferred tax liability	2,643	4,374
Accrued long-term retirement benefits	27,379	28,413
Long-term deferred revenue and customer deposits	147,510	130,212
Operating lease liabilities, net of current portion	32,509	38,101
Long-term debt	0	100,000
Total liabilities	626,183	703,237
Commitments and contingencies (Note 19)
Stockholders’ equity:
Preferred stock, $0.001 par value: 5,000,000 shares authorized; no shares issued or outstanding at March 31, 2025 and 2024	0	0
Common stock, $0.001 par value: 300,000,000 shares authorized; 134,038,262 and 131,316,309 shares issued and 72,060,237 and 71,404,216 shares outstanding at March 31, 2025 and 2024, respectively	134	131
Additional paid-in capital	3,255,333	3,181,366
Accumulated other comprehensive income	4,073	3,572
Treasury stock at cost, 61,978,025 and 59,912,093 shares at March 31, 2025 and 2024, respectively	(1,654,702)	(1,615,483)
(Accumulated deficit) Retained earnings	(44,443)	322,479
Total stockholders' equity	1,560,395	1,892,065
Total liabilities and stockholders' equity	$ 2,186,578	$ 2,595,302