Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net income	$ 293,789	$ 172,776
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	146,477	126,691
Gain on sale of property and equipment	(2,433)	(1,157)
Gain on joint venture transaction	(12,500)
Gain on business acquisition	(6,958)
Stock-based compensation expense related to stock options and employee stock purchases	21,550	18,347
Deferred income tax benefit	7,921	(23,029)
Change in accounts receivable, net	(75,066)	23,200
Change in inventories, net	(264,687)	147,254
Change in prepaid expenses and other, net	875	(107)
Change in trade accounts payable	44,069	16,676
Change in customer deposits	9,650	(30,386)
Change in accrued expenses	25,464	(8,403)
Other, net	4,832	3,217
Net cash provided by operating activities	183,319	438,645
Cash flows from investing activities:
Acquisition of property and equipment	(175,243)	(122,318)
Proceeds from the sale of property and equipment	7,014	2,576
Business disposition	27,500
Business acquisition, net of cash acquired	(15,754)
Other	(11,691)	(1,610)
Net cash used in investing activities	(168,174)	(121,352)
Cash flows from financing activities:
Draws (payments) on floor plan notes payable – non-trade, net	277,261	(157,440)
Proceeds from long-term debt	695,169	66,430
Principal payments on long-term debt	(788,757)	(222,216)
Principal payments on finance lease obligations	(11,091)	(10,620)
Proceeds from issuance of shares relating to employee stock options and employee stock purchases	11,080	13,870
Taxes paid related to net share settlement of equity awards	(8,669)	(7,447)
Payments of cash dividends	33,123	30,499
Common stock repurchased	(85,270)	(21,726)
Net cash provided by (used in) financing activities	56,600	(369,648)
Net increase (decrease) in cash and cash equivalents	71,745	(52,355)
Effect of exchange rate on cash	(372)
Cash and cash equivalents, beginning of period	148,146	312,048
Cash and cash equivalents, end of period	219,519	259,693
Supplemental disclosure of cash flow information:
Interest	12,966	19,805
Income taxes, net of refunds	74,320	92,795
Assets acquired under finance leases	$ 14,290	$ 21,442