Accounts and Other Receivables, Net - Accounts and Other Receivables, Net (Detail) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Accounts Notes And Loans Receivable [Line Items]
Allowance for doubtful accounts	$ (3.4)	$ (2.0)
Total	357.5	379.1
Trade receivables
Accounts Notes And Loans Receivable [Line Items]
Accounts and other receivables	304.0	326.3
Recoverable VAT and other receivables
Accounts Notes And Loans Receivable [Line Items]
Accounts and other receivables	35.3	32.4
Other
Accounts Notes And Loans Receivable [Line Items]
Receivables from affiliates	2.5	2.6
Refundable income taxes
Accounts Notes And Loans Receivable [Line Items]
Refundable income taxes	2.4	4.0
Louisiana Pigment Company, L.P. ("LPC'')
Accounts Notes And Loans Receivable [Line Items]
Receivables from affiliates	$ 16.7	$ 15.8