CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands		3 Months Ended
		Jun. 30, 2021	Jun. 30, 2020
Operating activities:
Net income		$ 152,256	$ 88,505
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization and impairment of software development costs and licenses		24,511	57,441
Depreciation		12,464	12,298
Amortization and impairment of intellectual property		15,215	4,986
Stock-based compensation		49,050	53,411
Other, net		13,802	(2,924)
Changes in assets and liabilities:
Accounts receivable		74,681	(91,846)
Inventory		6,336	(131)
Software development costs and licenses		(85,887)	(60,219)
Prepaid expenses and other assets		17,622	80,759
Deferred revenue		(94,660)	153,525
Deferred cost of goods sold		4,850	5,398
Accounts payable, accrued expenses and other liabilities		(41,998)	144,220
Net cash provided by operating activities		148,242	445,423
Investing activities:
Change in bank time deposits		311,893	(161,026)
Proceeds from available-for-sale securities		161,151	117,738
Purchases of available-for-sale securities		(302,485)	(188,372)
Purchases of fixed assets		(86,433)	(8,905)
Purchases of long-term investments		(96)	(6,900)
Business acquisitions		(97,887)	0
Net cash used in investing activities		(13,857)	(247,465)
Financing activities:
Tax payment related to net share settlements on restricted stock awards		(48,261)	(38,506)
Issuance of common stock		9,230	6,503
Net cash used in financing activities		(39,031)	(32,003)
Effects of foreign currency exchange rates on cash, cash equivalents, and restricted cash and cash equivalents		1,777	1,925
Net change in cash, cash equivalents, and restricted cash and cash equivalents		97,131	167,880
Cash, cash equivalents, and restricted cash and cash equivalents, beginning of year	[1]	2,060,247	1,993,392
Cash, cash equivalents, and restricted cash and cash equivalents, end of period	[1]	$ 2,157,378	$ 2,161,272

[1] Cash, cash equivalents and restricted cash and cash equivalents shown on our Condensed Consolidated Statements of Cash Flow includes amounts in the Cash and cash equivalents, Restricted cash and cash equivalents, and Long-term restricted cash and cash equivalents on our Condensed Consolidated Balance Sheet.