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Accounts Receivable - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Mar. 31, 2020 | Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Accounts receivable | $ 1,200.0 | $ 2,900.0 |  |  |
Allowance for credit losses | $ 57.3 | 35.5 | $ 39.4 |  | $ 27.8
Percent accounts receivable outstanding, less than 60 days | 91.00% |  |  |  |
Account receivable sold under the RPAs | $ 306.9 | 405.9 |  |  |
Fees and financing costs under the RPA | 11.8 | 25.9 | 19.9 |  |
Accounts receivable sold under repurchase agreement | 4,400.0 | 8,200.0 | 7,900.0 |  |
Amount collected of accounts receivables under repurchase agreement | $ 4,300.0 | $ 8,200.0 | $ 7,900.0 |  |
Maximum |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Sale price of receivables, percentage of sold amount |  |  |  | 100.00% |
London Interbank Offered Rate (LIBOR) | Maximum |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Receivable, basis spread on variable rate | 3.25% |  |  |  |
London Interbank Offered Rate (LIBOR) | Minimum |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Receivable, basis spread on variable rate | 1.00% |  |  |  |

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