Inventories (Tables)

9 Months Ended

Sep. 30, 2026

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories consisted of the following:

	September 30, 2026		December 31, 2025
Retail automotive dealership new vehicles	$	2,379.7	$	2,390.8
Retail automotive dealership used vehicles	1,297.4		1,253.5
Retail automotive parts, accessories, and other	190.4		186.3
Retail commercial truck dealership vehicles and parts	661.1		492.8
Commercial vehicle distribution vehicles, parts, and engines	491.5		491.3
Total inventories	$	5,020.1	$	4,814.7