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Goodwill and Intangibles, Net - Schedule of Definite Lived Intangible Assets (Details) - USD ($)
$ in Millions
 9 Months Ended 12 Months Ended
Sep. 30, 2025
Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 128.9 $ 129.0
Accumulated Amortization (69.8) (64.3)
Net/Total $ 59.1 $ 64.7
Trade names    
Finite-Lived Intangible Assets [Line Items]    
Weighted-Average Original Useful Life 15 years 15 years
Gross Carrying Amount $ 25.1 $ 25.1
Accumulated Amortization (12.2) (11.0)
Net/Total $ 12.9 $ 14.1
Customer relationships and contracts    
Finite-Lived Intangible Assets [Line Items]    
Weighted-Average Original Useful Life 11 years 11 years
Gross Carrying Amount $ 87.5 $ 87.4
Accumulated Amortization (53.0) (49.1)
Net/Total $ 34.5 $ 38.3
Channel sharing arrangements    
Finite-Lived Intangible Assets [Line Items]    
Weighted-Average Original Useful Life 35 years 35 years
Gross Carrying Amount $ 12.6 $ 12.6
Accumulated Amortization (2.4) (2.2)
Net/Total $ 10.2 $ 10.4
Other    
Finite-Lived Intangible Assets [Line Items]    
Weighted-Average Original Useful Life 10 years 10 years
Gross Carrying Amount $ 3.7 $ 3.9
Accumulated Amortization (2.2) (2.0)
Net/Total $ 1.5 $ 1.9