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Accounts Receivable - Narrative (Details) - USD ($) $ in Millions | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |
Accounts receivable | $ 1,835.0 |  | $ 1,238.4 |
Allowance for credit losses | $ 39.8 | $ 48.6 | $ 57.3 | $ 46.6
Percent accounts receivable outstanding, less than 60 days | 96.00% |  |  |
Account receivable sold under the RPAs | $ 4,300.0 | 2,200.0 |  |
Fees and financing costs under the RPA | $ 9.4 | $ 5.5 |  |
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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