CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating Activities:
Net income	$ 299.6	$ 369.5
Adjustments to reconcile net income to net cash from operating activities:
Depreciation	33.9	31.9
Earnings of equity method investments	(82.1)	(119.6)
Deferred income taxes	13.7	41.4
Changes in operating assets and liabilities:
Accounts receivable	(10.2)	(101.1)
Inventories	(95.2)	30.8
Floor plan notes payable	8.1	(12.9)
Accounts payable and accrued expenses	131.6	134.6
Other	11.8	6.0
Net cash provided by operating activities	311.2	380.6
Investing Activities:
Purchases of property, equipment, and improvements	(102.4)	(56.2)
Proceeds from sale of property and equipment	0.0	1.8
Acquisitions net, including repayment of sellers' floor plan notes payable of $0.0 and $16.5, respectively	0.0	(93.6)
Other	(3.1)	(1.8)
Net cash used in investing activities	(105.5)	(149.8)
Financing Activities:
Proceeds from borrowings under revolving U.S. credit agreement and mortgage facility	611.7	409.0
Repayments under revolving U.S. credit agreement and mortgage facility	(512.0)	(409.0)
Net repayments of other debt	(23.9)	(9.9)
Net (repayments) borrowings of floor plan notes payable — non-trade	(133.1)	6.5
Repurchases of common stock	(110.2)	(119.2)
Dividends	(42.3)	(36.4)
Payment of debt issuance costs	(2.0)	(0.1)
Net cash used in financing activities	(211.8)	(159.1)
Effect of exchange rate changes on cash and cash equivalents	0.2	(2.1)
Net change in cash and cash equivalents	(5.9)	69.6
Cash and cash equivalents, beginning of period	106.5	100.7
Cash and cash equivalents, end of period	100.6	170.3
Cash paid for:
Interest	47.7	24.7
Income taxes	$ 23.9	$ 19.3