CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income	$ 847.6	$ 233.4
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	850.3	865.5
Deferred income taxes	6.1	(82.9)
Share-based compensation expense related to equity incentive plans	163.2	143.3
Loss on settlement of debt	101.6	214.0
Amortization of debt discount	34.9	57.5
Amortization of debt issuance costs	9.2	13.2
Other non-cash adjustment	(9.5)	(0.2)
Changes in operating assets and liabilities, excluding impact of acquisitions:
Decrease in accounts receivable	67.6	40.2
(Increase) decrease in inventories	(105.0)	17.5
Increase in accounts payable and accrued liabilities	73.8	6.6
Change in other assets and liabilities	30.3	(23.3)
Change in income tax payable	24.9	(17.5)
Net cash provided by operating activities	2,095.0	1,467.3
Cash flows from investing activities:
Proceeds from sales of assets	12.2	0.2
Investments in other assets	(91.7)	(73.1)
Capital expenditures	(255.5)	(37.2)
Net cash used in investing activities	(335.0)	(110.1)
Cash flows from financing activities:
Proceeds from issuance of senior notes	997.0	3,577.8
Repayment of senior notes	(1,000.0)	0.0
Repayment of Bridge Loan Facility	0.0	(615.0)
Payments on settlement of convertible debt	(359.8)	(2,252.2)
Deferred financing costs	(7.8)	(18.3)
Purchase of capped call options	0.0	(35.8)
Proceeds from sale of common stock	47.1	40.2
Tax payments related to shares withheld for vested RSUs	(66.9)	(46.5)
Repurchase of common stock	(166.0)	0.0
Payment of cash dividends	(363.0)	(281.7)
Capital lease payments	(0.6)	(0.6)
Net cash used in financing activities	(1,726.5)	(1,387.5)
Net increase (decrease) in cash and cash equivalents	33.5	(30.3)
Cash and cash equivalents, and restricted cash at beginning of period	280.0	401.0
Cash and cash equivalents, and restricted cash at end of period	313.5	370.7
Revolving Credit Facility
Cash flows from financing activities:
Proceeds from borrowings on Revolving Credit Facility	2,947.0	3,073.0
Repayments of line of credit	(3,753.5)	(3,104.9)
Term Loan Facility
Cash flows from financing activities:
Repayments of line of credit	$ 0.0	$ (1,723.5)