CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating Activities:
Net income	$ 459.1	$ 602.2
Adjustments to reconcile net income to net cash from operating activities:
Depreciation	76.4	68.0
Earnings of equity method investments, net of distributions	(71.1)	(116.2)
Deferred income taxes	(2.0)	26.1
Changes in operating assets and liabilities:
Accounts receivable	101.2	26.5
Inventories	(305.6)	(274.2)
Floor plan notes payable	334.4	112.7
Accounts payable and accrued expenses	133.4	94.4
Other	(34.7)	65.0
Net cash provided by operating activities	691.1	604.5
Investing Activities:
Purchases of property, equipment, and improvements	(201.7)	(185.5)
Proceeds from sale of property and equipment	0.0	9.9
Acquisitions net, including repayment of sellers' floor plan notes payable of $101.9 and $21.3, respectively	(440.8)	(80.5)
Other	(8.8)	(5.3)
Net cash used in investing activities	(651.3)	(261.4)
Financing Activities:
Proceeds from borrowings under revolving U.S. credit agreement and mortgage facilities	1,829.2	1,355.7
Repayments under revolving U.S. credit agreement and mortgage facilities	(1,760.6)	(1,288.0)
Net borrowings of other debt	68.0	44.9
Net borrowings (repayments) of floor plan notes payable — non-trade	51.6	(2.4)
Repurchases of common stock	(58.1)	(328.1)
Payments of tax withholding for stock-based compensation	(18.3)	(22.4)
Dividends	(123.0)	(87.2)
Payment of debt issuance costs	(0.7)	(2.0)
Other	(8.2)	(0.1)
Net cash used in financing activities	(20.1)	(329.6)
Effect of exchange rate changes on cash and cash equivalents	(1.0)	(0.4)
Net change in cash and cash equivalents	18.7	13.1
Cash and cash equivalents, beginning of period	96.4	106.5
Cash and cash equivalents, end of period	115.1	119.6
Cash paid for:
Interest	127.4	114.3
Income taxes	$ 161.3	$ 212.4