Acquisitions (Schedule Of Amortization Of Reacquired Franchise Agreements) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Reacquired Franchise Rights [Member]
Business Acquisition [Line Items]
Amortization of reacquired franchise agreements	$ 2,352	$ 331	$ 7,056	$ 1,103

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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