Inventories (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Inventories
Retail automotive dealership new vehicles	$ 894.8		$ 869.1
Retail automotive dealership used vehicles	1,335.4		1,420.0
Retail automotive parts, accessories, and other	130.7		126.4
Retail commercial truck dealership vehicles and parts	465.7		436.7
Commercial vehicle distribution vehicles, parts, and engines	293.4		276.8
Total inventories	3,120.0		$ 3,129.0
Interest credits and advertising assistance	$ 15.2	$ 15.8

Represents the carrying amount of commercial distribution vehicle inventory, net of valuation reserves.

No definition available.

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- Definition

Represents the carrying amount of commercial vehicle inventory, net of valuation reserves.

+ References

No definition available.

+ Details

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- Definition

Carrying amount of new vehicle inventory, net of valuation reserves.

+ References

No definition available.

+ Details

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- Definition

Carrying amount of parts, accessories and other inventory, net of valuation reserves.

+ References

No definition available.

+ Details

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- Definition

Carrying amount of used vehicle inventory, net of valuation reserves.

+ References

No definition available.

+ Details

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- Definition

Floor plan interest credits and advertising assistance received from vendors, which reduce the cost of sales.

+ References

No definition available.

+ Details

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- Definition

Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Publisher FASB
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- References

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