CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2021	Mar. 31, 2021
Current assets:
Cash and cash equivalents	$ 856,901	$ 1,422,884
Short-term investments	1,440,631	1,308,692
Restricted cash and cash equivalents	754,368	538,822
Accounts receivable, net of allowances of $350 and $350 at September 30, 2021 and March 31, 2021, respectively	804,468	552,762
Inventory	12,579	17,742
Software development costs and licenses	54,540	43,443
Deferred cost of goods sold	12,601	15,524
Prepaid expenses and other	307,370	320,646
Total current assets	4,243,458	4,220,515
Fixed assets, net	231,230	149,364
Right-of-use assets	208,751	164,763
Software development costs and licenses, net of current portion	621,470	490,892
Goodwill	662,585	535,306
Other intangibles, net	288,090	121,591
Deferred tax assets	74,994	90,206
Long-term restricted cash and cash equivalents	103,437	98,541
Other assets	185,016	157,040
Total assets	6,619,031	6,028,218
Current liabilities:
Accounts payable	83,401	71,001
Accrued expenses and other current liabilities	1,499,898	1,204,090
Deferred revenue	951,612	928,029
Lease liabilities	31,962	31,595
Total current liabilities	2,566,873	2,234,715
Non-current deferred revenue	51,531	37,302
Non-current lease liabilities	207,437	159,671
Non-current software development royalties	112,459	110,127
Other long-term liabilities	211,063	154,511
Total liabilities	3,149,363	2,696,326
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.01 par value, 5,000 shares authorized; no shares issued and outstanding at September 30, 2021 and March 31, 2021	0	0
Common stock, $0.01 par value, 200,000 shares authorized; 138,891 and 137,584 shares issued and 115,210 and 115,163 outstanding at September 30, 2021 and March 31, 2021, respectively	1,390	1,376
Additional paid-in capital	2,475,085	2,288,781
Treasury stock, at cost; 23,681 and 22,421 common shares at September 30, 2021 and March 31, 2021, respectively	(1,020,584)	(820,572)
Retained earnings	2,033,524	1,870,971
Accumulated other comprehensive loss	(19,747)	(8,664)
Total stockholders' equity	3,469,668	3,331,892
Total liabilities and stockholders' equity	$ 6,619,031	$ 6,028,218