Annual report pursuant to Section 13 and 15(d)

Subsequent Events (Details)

v3.19.3.a.u2
Subsequent Events (Details)
$ in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
store
Dec. 31, 2018
USD ($)
store
Dec. 31, 2017
USD ($)
Subsequent Event [Line Items]      
Number of franchises disposed | store 1 2  
Cash generated from disposition | $ $ 250.7 $ 128.7 $ 38.2