CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands		9 Months Ended
		Dec. 31, 2021	Dec. 31, 2020
Operating activities:
Net income		$ 307,050	$ 370,074
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of software development costs and licenses		112,117	113,392
Impairment of software development costs and licenses		65,689	0
Depreciation		44,732	40,790
Amortization of intellectual property		49,506	22,006
Stock-based compensation		142,540	139,835
Gain on long-term investments		(6,054)	(40,588)
Other, net		12,200	(89)
Changes in assets and liabilities:
Accounts receivable		(85,788)	19,544
Inventory		5,929	(6,452)
Software development costs and licenses		(376,455)	(144,951)
Prepaid expenses and other assets		(123,709)	(49,321)
Deferred revenue		10,615	208,182
Deferred cost of goods sold		126	463
Accounts payable, accrued expenses and other liabilities		(139,337)	114,776
Net cash provided by operating activities		19,161	787,661
Investing activities:
Change in bank time deposits		(43,921)	73,000
Proceeds from available-for-sale securities		494,919	363,628
Purchases of available-for-sale securities		(632,530)	(563,815)
Purchases of fixed assets		(133,392)	(40,207)
Proceeds from sale of long-term investment		0	22,472
Purchases of long-term investments		(8,650)	(16,452)
Business acquisitions		(157,291)	(79,525)
Other		1,100	0
Net cash used in investing activities		(479,765)	(240,899)
Financing activities:
Tax payment related to net share settlements on restricted stock awards		(59,131)	(60,586)
Issuance of common stock		19,658	14,215
Loan repayment		(235)	0
Repurchase of common stock		(200,012)	0
Net cash used in financing activities		(239,720)	(46,371)
Effects of foreign currency exchange rates on cash, cash equivalents, and restricted cash and cash equivalents		(2,727)	19,006
Net change in cash, cash equivalents, and restricted cash and cash equivalents		(703,051)	519,397
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]	$ 1,357,196	$ 2,512,789

[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.