Quarterly report [Sections 13 or 15(d)]

Summary of Significant Accounting Policies - Cumulative Effect of Adjustments for Adoption of ASC 606 (Details)

v3.26.3
Summary of Significant Accounting Policies - Cumulative Effect of Adjustments for Adoption of ASC 606 (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Revenues:          
Revenues $ 3,988,800 $ 3,973,800 $ 11,611,300 $ 11,282,300  
Cost of Sales:          
Cost of Sales (3,371,300) (3,358,300) (9,778,900) (9,498,100)  
Operating income (loss) 112,400 122,700 376,700 244,300  
Assets:          
Receivables, net 391,600   391,600   $ 469,000
Liabilities:          
Other accrued liabilities 451,600   451,600   409,100
Stockholders' Equity:          
Retained Earnings (Accumulated Deficit) 1,602,000   1,602,000   1,481,100
Parts, service and collision repair          
Revenues:          
Revenues 543,300 533,900 1,590,100 1,503,800  
Cost of Sales:          
Cost of Sales (264,100) (261,500) (774,900) (736,900)  
Finance, insurance and other, net          
Revenues:          
Revenues 202,200 $ 203,800 614,100 $ 596,600  
Assets:          
Contract assets $ 12,100   $ 12,100   $ 7,000