CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		6 Months Ended
		Sep. 30, 2024	Sep. 30, 2023
Operating activities:
Net loss		$ (627.5)	$ (749.6)
Adjustments to reconcile net loss to net cash provided by operating activities:
Amortization and impairment of software development costs and licenses		139.6	108.1
Stock-based compensation		161.5	169.1
Noncash lease expense		31.3	32.7
Amortization and impairment of intangibles		374.1	676.8
Depreciation		74.0	67.9
Goodwill impairment		0.0	165.4
Interest expense		80.4	71.4
Gain on debt extinguishment		0.0	(7.7)
Fair value adjustments		4.3	1.4
Other, net		5.9	28.8
Changes in assets and liabilities, net of effect from purchases of businesses:
Accounts receivable		(169.6)	(52.2)
Software development costs and licenses		(362.8)	(300.7)
Prepaid expenses and other current and other non-current assets		22.1	(44.5)
Deferred revenue		(4.6)	65.3
Accounts payable, accrued expenses and other liabilities		(48.1)	(162.4)
Net cash (used in) provided by operating activities		(319.4)	69.8
Investing activities:
Change in bank time deposits		18.5	12.5
Sale and maturities of available-for-sale securities		0.0	131.0
Purchases of fixed assets		(71.9)	(59.9)
Purchases of long-term investments		(14.7)	(6.5)
Business acquisitions		9.4	(13.0)
Other		(9.3)	(3.8)
Net cash (used in) provided by investing activities		(68.0)	60.3
Financing activities:
Tax payment related to net share settlements on restricted stock awards		0.0	(57.1)
Issuance of common stock		23.8	18.8
Payment for settlement of convertible notes		(8.3)	0.0
Proceeds from issuance of debt		598.9	999.3
Cost of debt		(5.4)	(7.5)
Repayment of debt		0.0	(989.6)
Payment of contingent earn-out consideration		(12.0)	(35.0)
Net cash provided by (used in) financing activities		597.0	(71.1)
Effects of foreign currency exchange rates on cash, cash equivalents, and restricted cash and cash equivalents		8.0	(7.4)
Net change in cash, cash equivalents, and restricted cash and cash equivalents		217.6	51.6
Cash, cash equivalents, and restricted cash and cash equivalents, beginning of year	[1]	1,102.0	1,234.6
Cash, cash equivalents, and restricted cash and cash equivalents, end of period	[1]	$ 1,319.6	$ 1,286.2

[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.S