XML 102 R82.htm IDEA: XBRL DOCUMENT v3.20.4
Intangible Franchise Rights and Goodwill - Roll-Forward of Goodwill by Reportable Segment (Details) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Goodwill [Roll Forward]      
BALANCE   $ 1,008,300,000 $ 963,900,000
Additions through acquisitions   1,400,000 43,300,000
Disposals   (2,000,000.0) (1,600,000)
Impairments $ 0 (10,700,000)  
Currency translation   100,000 2,700,000
BALANCE 997,100,000 997,100,000 1,008,300,000
Accumulated impairment 97,800,000 97,800,000  
U.S.      
Goodwill [Roll Forward]      
BALANCE   902,300,000 861,600,000
Additions through acquisitions   1,400,000 42,000,000.0
Disposals   (2,000,000.0) (1,300,000)
Impairments   0  
Currency translation   0 0
BALANCE 901,700,000 901,700,000 902,300,000
Accumulated impairment 40,600,000 40,600,000  
U.K.      
Goodwill [Roll Forward]      
BALANCE   92,100,000 87,600,000
Additions through acquisitions   0 1,300,000
Disposals   0 0
Impairments   0  
Currency translation   3,200,000 3,200,000
BALANCE 95,400,000 95,400,000 92,100,000
Brazil      
Goodwill [Roll Forward]      
BALANCE   13,900,000 14,700,000
Additions through acquisitions   0 0
Disposals   0 (300,000)
Impairments   (10,700,000)  
Currency translation   (3,100,000) (500,000)
BALANCE 0 0 $ 13,900,000
Accumulated impairment $ 57,200,000 $ 57,200,000