Long-Term Debt (Restrictions And Covenants) (Details) (USD $)	Jun. 30, 2014
Debt Disclosure [Abstract]
Debt covenant capitalization ratio, requirement	65.00%
Debt covenant leverage ratio, requirement	3.75
The maximum of amount of letters of credit excluded from the leverage ratio calculation	$ 150,000,000
Capitalization ratio calculation, additions to shareholders' equity	$ 1,520,000,000

The maximum capitalization ratio required under the company's credit agreement, which is a contractually defined amount principally reflecting vehicle floorplan payable and non-vehicle debt divided by the company's total capitalization including vehicle floorplan payable and certain adjustments.

No definition available.

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