Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023
Current assets:
Cash and cash equivalents	$ 332,716	$ 386,794
Marketable securities and investments	51,887	32,204
Accounts receivable and unbilled costs, net of allowance for doubtful accounts of $666 and $675 at June 30, 2023 and March 31, 2023, respectively	108,292	143,855
Inventories and deferred costs	18,449	17,956
Prepaid income taxes	10,834	2,235
Prepaid expenses and other current assets	27,493	34,316
Total current assets	549,671	617,360
Fixed assets, net	33,207	34,735
Operating lease right-of-use assets	49,432	51,456
Goodwill	1,723,536	1,724,404
Intangible assets, net	352,497	366,591
Deferred income taxes	4,610	4,534
Long-term marketable securities	5,881	8,940
Other assets	11,763	12,540
Total assets	2,730,597	2,820,560
Current liabilities:
Accounts payable	14,400	16,473
Accrued compensation	53,627	83,279
Accrued other	19,055	26,283
Income taxes payable	1,604	4,391
Deferred revenue and customer deposits	282,773	311,531
Current portion of operating lease liabilities	11,727	11,650
Total current liabilities	383,186	453,607
Other long-term liabilities	7,534	7,683
Deferred tax liability	13,625	24,939
Accrued long-term retirement benefits	26,257	26,049
Long-term deferred revenue and customer deposits	122,381	129,814
Operating lease liabilities, net of current portion	46,404	48,819
Long-term debt	100,000	100,000
Total liabilities	699,387	790,911
Commitments and contingencies (Note 13)
Preferred stock, $0.001 par value:
5,000,000 shares authorized; no shares issued or outstanding at June 30, 2023 and March 31, 2023	0	0
Common stock, $0.001 par value:
300,000,000 shares authorized; 130,016,041 and 128,683,824 shares issued and 72,146,090 and 71,249,045 shares outstanding at June 30, 2023 and March 31, 2023, respectively	130	128
Additional paid-in capital	3,118,798	3,099,698
Accumulated other comprehensive income	5,803	5,738
Treasury stock at cost, 57,869,951 and 57,434,779 shares at June 30, 2023 and March 31, 2023, respectively	(1,559,534)	(1,546,128)
Retained earnings	466,013	470,213
Total stockholders' equity	2,031,210	2,029,649
Total liabilities and stockholders' equity	$ 2,730,597	$ 2,820,560