Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2020

Intangible Assets, Net (Excluding Goodwill) [Abstract]

Other Intangible Assets Roll Forward

Changes in the carrying amount of intangible assets for the years ended December 31, 2020, 2019 and 2018 are as follows:

	Not Subject to Amortization				Subject to Amortization
	Tradename		Other		Franchising Rights		Reacquired Franchise Rights		Favorable Leaseholds		Total
	(In millions)
Balance at December 31, 2017	$	479.0	$	2.4	$	99.0	$	—	$	2.3	$	582.8
Amortization expense	—		—		(10.0)		(0.1)		—		(10.1)
Additions	—		0.3		—		11.6		1.3		13.2
Balance at December 31, 2018	479.0		2.7		89.0		11.5		3.6		585.9
Amortization expense	—		—		(10.0)		(1.7)		(0.1)		(11.7)
Additions	—		0.5		—		—		0.5		1.0
Balance at December 31, 2019	479.0		3.2		79.0		9.8		4.1		575.1
Impairment	(11.0)		—		—		(3.3)		(0.8)		(15.1)
Amortization expense	—		—		(10.0)		(0.8)		(0.1)		(10.9)
Additions	—		0.6		—		—		—		0.6
Balance at December 31, 2020	$	468.0	$	3.8	$	69.0	$	5.7	$	3.2	$	549.7

Schedule of Finite-Lived Intangible Assets by Major Class

Gross and net carrying amounts of intangible assets subject to amortization at December 31, 2020 and 2019 are as follows:

	December 31, 2020						December 31, 2019
	Gross		Accumulated Amortization		Net		Gross		Accumulated Amortization		Net
	(In millions)
Franchising rights	$	200.0	$	(131.0)	$	69.0	$	200.0	$	(121.0)	$	79.0
Reacquired franchise rights	8.3		(2.6)		5.7		11.6		(1.8)		9.8
Favorable leaseholds	3.4		(0.2)		3.2		$	4.2	$	(0.1)	4.1
Total	$	211.7	$	(133.7)	$	78.0	$	215.8	$	(122.9)	$	92.9