Goodwill and Other Intangible Assets - Gross carrying amount and accumulated amortization of the company's intangible assets other than goodwill (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Intangible asset balances by major asset class
Intangible assets, gross (excluding goodwill)	$ 176.0	$ 178.4
Finite-lived intangible assets, amortization amount	(39.1)	(38.8)
Intangible assets, book value	136.9	139.6
Indefinite-lived Intangible Assets
Intangible asset balances by major asset class
Intangible assets, gross (excluding goodwill)	112.9	114.7
Intangible assets, book value	112.9
Indefinite-lived Intangible Assets | Distribution Network
Intangible asset balances by major asset class
Indefinite-lived intangible assets, book value	18.6	18.8
Indefinite-lived Intangible Assets | Trademarks and Tradenames
Intangible asset balances by major asset class
Indefinite-lived intangible assets, book value	94.3	95.9
Finite-Lived Intangible Assets
Intangible asset balances by major asset class
Intangible assets, gross (excluding goodwill)	63.1	63.7
Finite-lived intangible assets, amortization amount	(39.1)	(38.8)
Intangible assets, book value	24.0	24.9
Finite-Lived Intangible Assets | Customer Relationships
Intangible asset balances by major asset class
Finite-lived intangible assets, carrying amount	26.9	27.0
Finite-lived intangible assets, amortization amount	(9.3)	(9.0)
Finite-lived intangible assets, book value	17.6	18.0
Finite-Lived Intangible Assets | Patents
Intangible asset balances by major asset class
Finite-lived intangible assets, carrying amount	29.2	29.7
Finite-lived intangible assets, amortization amount	(28.6)	(29.1)
Finite-lived intangible assets, book value	0.6	0.6
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	(0.6)	(0.4)
Finite-lived intangible assets, book value	3.6	3.8
Finite-Lived Intangible Assets | Other Intangibles
Intangible asset balances by major asset class
Finite-lived intangible assets, carrying amount	0.6	0.6
Finite-lived intangible assets, amortization amount	(0.3)	(0.2)
Finite-lived intangible assets, book value	0.3	0.4
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	(0.3)	(0.1)
Finite-lived intangible assets, book value	$ 1.9	$ 2.1