Goodwill and Intangible Assets - Gross carrying amount, accumulated amortization and net book value of intangible assets other than goodwill (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Intangible asset balances by major asset class
Intangible assets, gross (excluding goodwill)	$ 169.7	$ 167.2
Finite-lived intangible assets, amortization amount	(44.1)	(40.5)
Finite-lived intangible assets, book value	18.7
Intangible assets, book value	125.6	126.7
Indefinite-lived Intangible Assets
Intangible asset balances by major asset class
Intangible assets, gross (excluding goodwill)	106.9	105.0
Finite-lived intangible assets, amortization amount	0.0	0.0
Intangible assets, book value	106.9	105.0
Indefinite-lived Intangible Assets | Distribution Network
Intangible asset balances by major asset class
Indefinite-lived intangible assets, book value	14.3	14.0
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	92.6	91.0
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	62.8	62.2
Finite-lived intangible assets, amortization amount	(44.1)	(40.5)
Finite-lived intangible assets, book value	18.7	21.7
Finite-Lived Intangible Assets | Customer Relationships
Intangible asset balances by major asset class
Finite-lived intangible assets, carrying amount	26.5	26.5
Finite-lived intangible assets, amortization amount	(11.6)	(10.0)
Finite-lived intangible assets, book value	14.9	16.5
Finite-Lived Intangible Assets | Patents
Intangible asset balances by major asset class
Finite-lived intangible assets, carrying amount	29.2	28.7
Finite-lived intangible assets, amortization amount	(28.8)	(28.2)
Finite-lived intangible assets, book value	0.4	0.5
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	(2.0)	(1.2)
Finite-lived intangible assets, book value	2.2	3.0
Finite-Lived Intangible Assets | Other Intangibles
Intangible asset balances by major asset class
Finite-lived intangible assets, carrying amount	0.7	0.6
Finite-lived intangible assets, amortization amount	(0.7)	(0.5)
Finite-lived intangible assets, book value	0.0	0.1
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	(1.0)	(0.6)
Finite-lived intangible assets, book value	$ 1.2	$ 1.6