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Operations and Summary of Significant Accounting Policies - Summary of Accounts and Notes Receivable Allowances (Details) - USD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | --- | ---
Allowances for doubtful accounts |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Valuation allowances and reserves | $ 36.4 | $ 28.8 | $ 31.7 | $ 38.7
Accounts Receivable |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Valuation allowances and reserves | 49.3 | 54.5 |  |
Accounts Receivable | Sales incentive discounts |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Valuation allowances and reserves | 12.9 | 25.7 |  |
Accounts Receivable | Allowances for doubtful accounts |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Valuation allowances and reserves | $ 36.4 | $ 28.8 |  |

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