CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Millions		9 Months Ended
		Dec. 31, 2023	Dec. 31, 2022
Operating activities:
Net loss		$ (841.2)	$ (514.4)
Adjustments to reconcile net loss to net cash provided by operating activities:
Amortization and impairment of software development costs and licenses		152.1	147.6
Stock-based compensation		255.0	238.5
Noncash lease expense		46.4	35.2
Amortization and impairment of intangibles		924.9	740.1
Depreciation		101.6	62.9
Goodwill impairment		165.4	0.0
Interest expense		103.2	79.0
Gain on debt extinguishment		(7.7)	0.0
Fair value adjustments		1.7	37.1
Other, net		30.6	(23.7)
Changes in assets and liabilities, net of effect from purchases of businesses:
Accounts receivable		98.0	158.0
Software development costs and licenses		(457.3)	(362.9)
Prepaid expenses and other current and other non-current assets		(47.8)	(23.5)
Deferred revenue		27.2	(88.1)
Accounts payable, accrued expenses and other liabilities		(559.3)	(450.0)
Net cash (used in) provided by operating activities		(7.2)	35.8
Investing activities:
Change in bank time deposits		21.2	123.0
Sale and maturities of available-for-sale securities		144.0	436.1
Purchases of fixed assets		(95.5)	(137.7)
Proceeds from sale of long-term investment		0.0	20.6
Purchases of long-term investments		(17.5)	(10.2)
Business acquisitions		(17.5)	(3,241.8)
Other		(8.2)	(4.8)
Net cash provided by (used in) investing activities		26.5	(2,814.8)
Financing activities:
Tax payment related to net share settlements on restricted stock awards		(76.6)	(90.6)
Issuance of common stock		38.1	22.3
Payment for settlement of convertible notes		0.0	(1,166.8)
Proceeds from issuance of debt		999.3	3,248.9
Cost of debt		(7.5)	(22.4)
Settlement of capped calls		0.0	140.1
Repayment of debt		(989.6)	(200.0)
Payment of contingent earn-out consideration		(35.7)	(26.9)
Net cash (used in) provided by financing activities		(72.0)	1,904.6
Effects of foreign currency exchange rates on cash, cash equivalents, and restricted cash and cash equivalents		7.9	(18.6)
Net change in cash, cash equivalents, and restricted cash and cash equivalents		(44.8)	(893.0)
Cash, cash equivalents, and restricted cash and cash equivalents, beginning of year	[1]	1,234.6	2,195.3
Cash, cash equivalents, and restricted cash and cash equivalents, end of period	[1]	$ 1,189.8	$ 1,302.3

[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