CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		6 Months Ended
		Sep. 30, 2022	Sep. 30, 2021
Operating activities:
Net (loss) income		$ (361.0)	$ 162.5
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Amortization and impairment of software development costs and licenses		81.7	95.3
Stock-based compensation		151.8	96.2
Noncash lease expense		23.3	19.6
Amortization of intellectual property		438.2	33.7
Depreciation		38.9	28.4
Impairment of software development costs and licenses		23.3	65.0
Amortization of debt issuance costs		10.5	0.0
Interest expense		49.5	0.0
Fair value adjustments		38.2	0.0
Other, net		(37.4)	2.1
Changes in assets and liabilities, net of effect from purchases of businesses:
Accounts receivable		15.2	(242.8)
Software development costs and licenses		(252.2)	(263.2)
Prepaid expenses and other current and other non-current assets		(44.7)	(47.2)
Deferred revenue		(57.4)	32.7
Accounts payable, accrued expenses and other liabilities		37.5	301.4
Net cash provided by operating activities		155.4	283.7
Investing activities:
Change in bank time deposits		124.4	1.0
Sale and maturities of available-for-sale securities		354.3	353.4
Purchases of available-for-sale securities		0.0	(492.6)
Purchases of fixed assets		(99.4)	(111.2)
Proceeds from sale of long-term investment		20.6	0.0
Purchases of long-term investments		(7.6)	(3.1)
Business acquisitions		(3,156.9)	(131.6)
Acquisition related earn-outs		(26.0)	0.0
Net cash used in investing activities		(2,790.6)	(384.1)
Financing activities:
Tax payment related to net share settlements on restricted stock awards		(77.7)	(53.4)
Issuance of common stock		11.4	9.2
Payment for settlement of convertible notes		(1,166.8)	0.0
Proceeds from issuance of debt		3,248.9	0.0
Cost of debt		(22.4)	0.0
Settlement of capped calls		140.1	0.0
Loan repayment		0.0	(0.2)
Repurchase of common stock		0.0	(200.0)
Net cash provided by (used in) financing activities		2,133.5	(244.4)
Effects of foreign currency exchange rates on cash, cash equivalents, and restricted cash and cash equivalents		(36.2)	(0.7)
Net change in cash, cash equivalents, and restricted cash and cash equivalents		(537.9)	(345.5)
Cash, cash equivalents, and restricted cash and cash equivalents, beginning of year	[1]	2,195.3	2,060.2
Cash, cash equivalents, and restricted cash and cash equivalents, end of period	[1]	$ 1,657.4	$ 1,714.7

[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.