Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net income	$ 348,061	$ 392,085	$ 241,415
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	221,141	199,149	169,497
Gain on sale of property and equipment, net	(843)	(2,467)	(1,432)
Gain on joint venture transaction	0	(12,500)	0
Gain on business acquisition	0	(6,958)	0
Stock-based compensation expense related to employee stock options and employee stock purchases	30,354	25,315	22,246
Provision for deferred income tax expense	7,601	4,261	14,034
Change in accounts receivable, net	(38,307)	(74,607)	32,312
Change in inventories	(297,678)	(324,508)	(33,572)
Change in prepaid expenses and other, net	862	1,340	(252)
Change in trade accounts payable	(10,629)	31,438	12,053
Change in customer deposits	28,803	34,121	2,993
Change in accrued expenses	7,198	32,789	(31,337)
Other, net	(850)	(5,058)	(5,611)
Net cash provided by operating activities	295,713	294,400	422,346
Cash flows from investing activities:
Acquisition of property and equipment	(368,881)	(243,060)	(167,177)
Proceeds from the sale of property and equipment	2,212	7,124	3,447
Business disposition	0	27,500	0
Business acquisitions, net of cash	(16,050)	(20,762)	(269,332)
Other	(4,311)	(11,732)	157
Net cash used in investing activities	(387,030)	(240,930)	(432,905)
Cash flows from financing activities:
Draws (payments) on floor plan notes payable – non-trade, net	205,487	273,906	118,945
Proceeds from long-term debt	1,429,083	958,328	260,336
Principal payments on long-term debt	(1,291,615)	(1,084,465)	(455,064)
Principal payments on finance lease obligations	(17,693)	(14,780)	(13,774)
Proceeds from issuance of shares relating to employee stock options and employee stock purchases	18,077	13,255	18,313
Taxes paid related to net share settlement of equity awards	(7,017)	(8,669)	(7,443)
Payments of cash dividends	(50,582)	(44,556)	(41,060)
Common stock repurchased	(211,778)	(93,709)	(33,596)
Net cash provided by (used in) financing activities	73,962	(690)	(153,343)
Net (decrease) increase in cash, cash equivalents and restricted cash	(17,355)	52,780	(163,902)
Effect of exchange rate on cash	36	118	0
Cash, cash equivalents and restricted cash, beginning of year	201,044	148,146	312,048
Cash, cash equivalents and restricted cash, end of year	183,725	201,044	148,146
Supplemental disclosure of cash flow information:
Interest	56,427	21,694	22,224
Income taxes paid, net	106,872	102,038	101,987
Assets acquired under finance leases	$ 43,330	$ 33,654	$ 29,044