Property And Equipment (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($) store	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 21.4	$ 20.2	$ 15.6
Bluegreen [Member]
Property, Plant and Equipment [Line Items]
Disposal group, impairment loss	5.6
MOD Pizza [Member]
Property, Plant and Equipment [Line Items]
Disposal group, impairment loss	$ 6.7	$ 4.0	$ 2.7
Number of stores transferred | store	7
Number of stores closed | store	2