CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Operating Activities:
Net income	$ 234.9	$ 258.4
Adjustments to reconcile net income to net cash from operating activities:
Depreciation	44.8	40.6
Earnings of equity method investments	(40.8)	(33.3)
Deferred income taxes	(0.7)	(23.2)
Stock-based compensation	8.1	8.0
Gain on sale of dealership	(60.4)	(52.3)
Changes in operating assets and liabilities:
Accounts receivable	(10.6)	(202.6)
Inventories	(74.7)	194.6
Other current assets	(16.1)	(15.7)
Floor plan notes payable	(4.2)	(71.9)
Accounts payable and accrued expenses	147.8	190.3
Other	(13.1)	(1.9)
Net cash provided by operating activities	215.0	291.0
Investing Activities:
Purchases of property, equipment, and improvements	(62.6)	(84.7)
Proceeds from sale of dealerships	77.0	77.8
Proceeds from sale of property and equipment	20.5	4.0
Acquisitions net, including repayment of sellers' floor plan notes payable of $15.0 and $0.0, respectively	(669.7)	0.0
Other	0.4	(1.7)
Net cash used in investing activities	(634.4)	(4.6)
Financing Activities:
Proceeds from borrowings under revolving U.S. credit agreement and mortgage facilities	1,701.8	1,098.6
Repayments under revolving U.S. credit agreement and mortgage facilities	(1,273.9)	(1,143.1)
Net cash borrowings (repayments) of other debt	58.2	(47.5)
Repayments of related party promissory note	(13.0)	0.0
Net borrowings (repayments) of floor plan notes payable — non-trade	85.6	(27.2)
Repurchases of common stock	(26.3)	(39.9)
Payments of tax withholding for stock-based compensation	(0.1)	(0.1)
Dividends	(92.6)	(81.8)
PMG distributions to partners	0.0	(7.0)
Payment of debt issuance costs	(0.9)	(0.3)
Other	(0.2)	0.0
Net cash provided by (used in) financing activities	438.6	(248.3)
Effect of exchange rate changes on cash and cash equivalents	(0.2)	1.5
Net change in cash and cash equivalents	19.0	39.6
Cash and cash equivalents, beginning of period	64.7	83.6
Cash and cash equivalents, end of period	83.7	123.2
Cash paid for:
Interest	64.0	69.6
Income taxes	$ 17.3	$ 23.5