Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Schedule of Intangible Assets (Details)

v3.10.0.1
Intangible Assets - Schedule of Intangible Assets (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 41.4 $ 41.5
Accumulated Amortization 12.0 5.2
Indefinite-lived Intangible Assets [Line Items]    
Total $ 44.0 43.8
Contractual Rights    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life 5 years  
Gross Carrying Amount $ 36.4 36.6
Accumulated Amortization 10.7 4.1
Intellectual property    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 5.0 4.9
Accumulated Amortization $ 1.3 1.1
Minimum | Contractual Rights    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life 5 years  
Minimum | Intellectual property    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life 2 years  
Maximum | Intellectual property    
Finite-Lived Intangible Assets [Line Items]    
Estimated Useful Life 15 years  
Trademarks and brand names    
Indefinite-lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 2.6 $ 2.3