v3.26.3
Goodwill and Other Intangible Assets - Gross carrying amount, accumulated amortization and net book value of intangible assets other than goodwill (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Intangible asset balances by major asset class    
Intangible assets, gross (excluding goodwill) $ 171.6 $ 175.2
Finite-lived intangible assets, amortization amount (51.5) (50.1)
Intangible assets, book value 120.1 125.1
Indefinite-lived Intangible Assets    
Intangible asset balances by major asset class    
Intangible assets, gross (excluding goodwill) 107.8 110.5
Finite-lived intangible assets, amortization amount 0.0 0.0
Intangible assets, book value 107.8 110.5
Indefinite-lived Intangible Assets | Distribution Network    
Intangible asset balances by major asset class    
Indefinite-lived intangible assets, book value 14.6 15.0
Finite-lived intangible assets, amortization amount 0.0 0.0
Indefinite-lived Intangible Assets | Trademarks and Tradenames    
Intangible asset balances by major asset class    
Indefinite-lived intangible assets, book value 93.2 95.5
Finite-lived intangible assets, amortization amount 0.0 0.0
Finite-Lived Intangible Assets    
Intangible asset balances by major asset class    
Finite-lived intangible assets, carrying amount 63.8 64.7
Finite-lived intangible assets, amortization amount (51.5) (50.1)
Finite-lived intangible assets, book value 12.3 14.6
Finite-Lived Intangible Assets | Customer Relationships    
Intangible asset balances by major asset class    
Finite-lived intangible assets, carrying amount 27.8 28.0
Finite-lived intangible assets, amortization amount (15.7) (14.6)
Finite-lived intangible assets, book value 12.1 13.4
Finite-Lived Intangible Assets | Patents    
Intangible asset balances by major asset class    
Finite-lived intangible assets, carrying amount 29.6 30.3
Finite-lived intangible assets, amortization amount (29.4) (30.0)
Finite-lived intangible assets, book value 0.2 0.3
Finite-Lived Intangible Assets | Noncompetition Agreements    
Intangible asset balances by major asset class    
Finite-lived intangible assets, carrying amount 4.2 4.2
Finite-lived intangible assets, amortization amount (4.2) (3.6)
Finite-lived intangible assets, book value 0.0 0.6
Finite-Lived Intangible Assets | Trademarks and Tradenames    
Intangible asset balances by major asset class    
Finite-lived intangible assets, carrying amount 2.2 2.2
Finite-lived intangible assets, amortization amount (2.2) (1.9)
Finite-lived intangible assets, book value $ 0.0 $ 0.3