Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Mar. 31, 2023
Current assets:
Cash and cash equivalents	$ 389,674	$ 386,794
Marketable securities and investments	33,459	32,204
Accounts receivable and unbilled costs, net of allowance for doubtful accounts of $479 and $675 at March 31, 2024 and 2023, respectively	192,096	143,855
Inventories and deferred costs	14,095	17,956
Prepaid income taxes	11,076	2,235
Prepaid expenses and other current assets	32,094	34,316
Total current assets	672,494	617,360
Fixed assets, net	26,487	34,735
Operating lease right-of-use assets	42,486	51,456
Goodwill	1,502,820	1,724,404
Intangible assets, net	308,659	366,591
Deferred income taxes	30,767	4,534
Long-term marketable securities	994	8,940
Other assets	10,595	12,540
Total assets	2,595,302	2,820,560
Current liabilities:
Accounts payable	14,506	16,473
Accrued compensation	51,362	83,279
Accrued other	14,665	26,283
Income taxes payable	764	4,391
Deferred revenue and customer deposits	301,806	311,531
Current portion of operating lease liabilities	11,979	11,650
Total current liabilities	395,082	453,607
Other long-term liabilities	7,055	7,683
Deferred tax liability	4,374	24,939
Accrued long-term retirement benefits	28,413	26,049
Long-term deferred revenue and customer deposits	130,212	129,814
Operating lease liabilities, net of current portion	38,101	48,819
Long-term debt	100,000	100,000
Total liabilities	703,237	790,911
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, 2024 and 2023	0	0
Common stock, $0.001 par value: 300,000,000 shares authorized; 131,316,309 and 128,683,824 shares issued and 71,404,216 and 71,249,045 shares outstanding at March 31, 2024 and 2023, respectively	131	128
Additional paid-in capital	3,181,366	3,099,698
Accumulated other comprehensive income	3,572	5,738
Treasury stock at cost, 59,912,093 and 57,434,779 shares at March 31, 2024 and 2023, respectively	(1,615,483)	(1,546,128)
Retained earnings	322,479	470,213
Total stockholders' equity	1,892,065	2,029,649
Total liabilities and stockholders' equity	$ 2,595,302	$ 2,820,560