CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2020	Mar. 31, 2020
Current assets:
Cash and cash equivalents	$ 1,649,832	$ 1,357,664
Short-term investments	772,683	644,003
Restricted cash and cash equivalents	764,419	546,604
Accounts receivable, net of allowances of $350 and $443 at December 31, 2020 and March 31, 2020, respectively	581,136	592,555
Inventory	26,733	19,108
Software development costs and licenses	48,784	40,316
Deferred cost of goods sold	19,854	19,598
Prepaid expenses and other	296,518	273,503
Total current assets	4,159,959	3,493,351
Fixed assets, net	135,257	131,888
Right-of-use assets	161,750	154,284
Software development costs and licenses, net of current portion	436,702	401,778
Goodwill	534,535	386,494
Other intangibles, net	117,618	51,260
Deferred tax assets	127,312	116,676
Long-term restricted cash and cash equivalents	98,538	89,124
Other assets	194,428	123,977
Total assets	5,966,099	4,948,832
Current liabilities:
Accounts payable	100,159	65,684
Accrued expenses and other current liabilities	1,219,614	1,169,884
Deferred revenue	991,476	777,784
Lease liabilities	30,540	25,187
Total current liabilities	2,341,789	2,038,539
Non-current deferred revenue	31,813	28,339
Non-current lease liabilities	156,835	152,059
Non-current software development royalties	108,667	104,417
Other long-term liabilities	171,704	86,234
Total liabilities	2,810,808	2,409,588
Commitments and contingencies (See Note 13)
Stockholders' equity:
Preferred stock, $.01 par value, 5,000 shares authorized; no shares issued and outstanding at December 31, 2020 and March 31, 2020	0	0
Common stock, $.01 par value, 200,000 shares authorized; 137,504 and 135,927 shares issued and 115,083 and 113,506 outstanding at December 31, 2020 and March 31, 2020, respectively	1,375	1,359
Additional paid-in capital	2,327,913	2,134,748
Treasury stock, at cost; 22,421 common shares at December 31, 2020 and March 31, 2020	(820,572)	(820,572)
Retained earnings	1,652,159	1,282,085
Accumulated other comprehensive loss	(5,584)	(58,376)
Total stockholders' equity	3,155,291	2,539,244
Total liabilities and stockholders' equity	$ 5,966,099	$ 4,948,832