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Lines of Credit and Financing Arrangements (Tables) | 6 Months Ended
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Jun. 30, 2021
Debt Disclosure [Abstract] |
Summary of outstanding debt obligations | The following table summarizes our outstanding debt obligations and their classification in the accompanying Consolidated Balance Sheets (in millions):
| As of June 30, 2021 |  | As of December 31, 2020
Current maturities of long-term debt: |  |  |
Asset securitization program | $ | 255.0 |  |  | $ | — |
Finance lease obligations | 11.0 |  |  | 10.1 |
Debt issuance costs | (0.1) |  |  | (0.2) |
Total current maturities of long-term debt | $ | 265.9 |  |  | $ | 9.9 |
Long-Term Debt: |  |  |
Finance lease obligations | 30.3 |  |  | 29.3 |
Domestic credit facility | 4.5 |  |  | — |
Senior unsecured notes | 950.0 |  |  | 950.0 |
Debt issuance costs | (7.4) |  |  | (8.6) |
Total long-term debt | $ | 977.4 |  |  | $ | 970.7 |
Total debt | $ | 1,243.3 |  |  | $ | 980.6 |
Eligible amounts available and beneficial interests sold |
| As of June 30, 2021 |  | As of December 31, 2020
Eligible amount available under the ASP on qualified accounts receivable | $ | 320.0 |  |  | $ | 279.1 |
Less: Beneficial interest transferred | (255.0) |  |  | — |
Remaining amount available | $ | 65.0 |  |  | $ | 279.1 |
Summary of weighted average borrowing rate facility | Our weighted average borrowing rate on the facility was as follows:
| As of June 30, 2021 |  | As of December 31, 2020
Weighted average borrowing rate | 1.63 | % |  | — | %

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