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v3.20.2

Debt (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2020
Debt |
Summary of debt | ​
​ | ​ | ​ | ​ | ​ | ​
​ | September 30, | ​ | December 31,
​ | 2020 |  | 2019
​ | (in millions)
Unsecured revolving credit facility expiring September 2, 2025 | $ | — | ​ | $ | 368.0
Unsecured term loan repaid August 3, 2020 | ​ | — | ​ | ​ | 465.0
Senior unsecured notes due April 15, 2023 | ​ | 500.0 | ​ | ​ | 500.0
Senior unsecured notes due August 15, 2025 | ​ | 400.0 | ​ | ​ | —
Senior unsecured notes due August 15, 2030 | ​ | 500.0 | ​ | ​ | —
Senior unsecured notes due November 15, 2036 | ​ | 250.0 | ​ | ​ | 250.0
Other notes and revolving credit facilities | ​ | 13.8 | ​ | ​ | 13.3
Total | ​ | 1,663.8 | ​ | ​ | 1,596.3
Less: unamortized discount and debt issuance costs | ​ | (19.7) | ​ | ​ | (7.8)
Less: amounts due within one year and short-term borrowings | ​ | (5.8) | ​ | ​ | (64.9)
Total long-term debt | $ | 1,638.3 | ​ | $ | 1,523.6

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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