CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Operating Activities:
Net income	$ 866.6	$ 1,086.9
Adjustments to reconcile net income to net cash from operating activities:
Depreciation	103.4	95.1
Earnings of equity method investments	(164.6)	(266.3)
Deferred income taxes	88.3	113.7
Changes in operating assets and liabilities:
Accounts receivable	(55.2)	(137.7)
Inventories	(162.2)	(196.9)
Floor plan notes payable	179.8	337.9
Accounts payable and accrued expenses	102.7	145.8
Other	63.4	29.7
Net cash provided by operating activities	1,022.2	1,208.2
Investing Activities:
Purchases of property, equipment, and improvements	(272.1)	(195.7)
Proceeds from sale of property and equipment	30.7	12.3
Acquisitions net, including repayment of sellers' floor plan notes payable of $24.3 and $51.3, respectively	(211.3)	(393.4)
Other	(9.0)	(7.5)
Net cash used in investing activities	(461.7)	(584.3)
Financing Activities:
Proceeds from borrowings under revolving U.S. credit agreement and mortgage facilities	2,221.8	1,514.0
Repayments under revolving U.S. credit agreement and mortgage facilities	(2,196.9)	(1,514.0)
Net borrowings of other debt	59.0	186.0
Net repayments of floor plan notes payable — non-trade	(142.4)	(85.5)
Repurchases of common stock	(341.2)	(584.8)
Payments of tax withholding for stock-based compensation	(23.4)	(17.2)
Dividends	(135.8)	(113.6)
Payment of debt issuance costs	(2.0)	(0.3)
Other	0.0	0.1
Net cash used in financing activities	(560.9)	(615.3)
Effect of exchange rate changes on cash and cash equivalents	(1.7)	(17.0)
Net change in cash and cash equivalents	(2.1)	(8.4)
Cash and cash equivalents, beginning of period	106.5	100.7
Cash and cash equivalents, end of period	104.4	92.3
Cash paid for:
Interest	156.8	76.8
Income taxes	$ 262.5	$ 253.8