CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net income	$ 1,752.2	$ 1,633.7
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	661.3	755.2
Deferred income taxes	44.1	185.4
Share-based compensation expense related to equity incentive plans	134.7	126.5
Loss on settlement of debt	12.2	8.3
Amortization of debt discount	18.8	5.4
Amortization of debt issuance costs	5.7	7.1
Impairment of intangible assets	1.3	1.4
Other	(11.7)	(1.8)
Changes in operating assets and liabilities, excluding impact of acquisitions:
Increase in accounts receivable	(92.8)	(102.4)
Decrease (increase) in inventories	16.2	(324.8)
(Decrease) increase in accounts payable and accrued liabilities	(24.0)	225.5
Change in other assets and liabilities	43.4	408.0
Change in income tax payable	(98.7)	(16.0)
Net cash provided by operating activities	2,462.7	2,911.5
Cash flows from investing activities:
Proceeds from sales of assets	0.4	0.4
Proceeds from capital-related government incentives	1.1	0.0
Investments in other assets	(77.4)	(75.6)
Capital expenditures	(245.0)	(373.5)
Net cash used in investing activities	(320.9)	(448.7)
Cash flows from financing activities:
Proceeds from borrowings on Revolving Credit Facility	5,551.0	4,021.0
Proceeds from borrowings on Revolving Credit Facility	(5,651.0)	(5,167.1)
Proceeds from borrowings on 2025 Term Loan Facility	750.0	0.0
Proceeds from issuance of Commercial Paper	3,558.3	0.0
Repayments of Commercial Paper	(2,914.7)	0.0
Repayment of senior notes	(2,000.0)	0.0
Payments on settlement of convertible debt	(132.8)	(170.4)
Deferred financing costs	(1.5)	0.0
Proceeds from sale of common stock	57.7	54.3
Tax payments related to shares withheld for vested RSUs	(46.9)	(57.2)
Repurchase of common stock	(594.7)	(671.9)
Payment of cash dividends	(669.0)	(499.4)
Capital lease payments	(1.2)	(0.6)
Net cash used in financing activities	(2,094.8)	(2,491.3)
Net increase (decrease) in cash and cash equivalents	47.0	(28.5)
Cash and cash equivalents, and restricted cash at beginning of period	234.0	317.4
Cash and cash equivalents, and restricted cash at end of period	$ 281.0	$ 288.9