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Accounts and Other Receivables - Accounts and Other Receivables (Detail) - USD ($) $ in Millions | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Accounts Notes And Loans Receivable [Line Items] |  |
Allowance for doubtful accounts | $ (2.0) | $ (1.2)
Total | 400.6 | 312.5
Trade receivables |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Accounts and other receivables | 372.5 | 273.3
Recoverable VAT and other receivables |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Accounts and other receivables | 15.7 | 23.8
Other |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Receivables from affiliates | 2.1 | 2.8
Refundable income taxes |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Refundable income taxes | 2.2 | 3.6
Louisiana Pigment Company, L.P. ("LPC'') |  |
Accounts Notes And Loans Receivable [Line Items] |  |
Receivables from affiliates | $ 10.1 | $ 10.2

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