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Debt - Summary (Details) - USD ($) $ in Millions | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Debt |  |
Total | $ 1,651.8 | $ 2,214.2
Less: unamortized discount and debt issuance costs | (8.4) | (10.5)
Less: amounts due within one year and short-term borrowings | (65.2) | (65.2)
Total long-term debt | 1,578.2 | 2,138.5
Unsecured revolving credit facility due September 30, 2021 |  |
Debt |  |
Total | 408.0 | 925.0
Unsecured term loan due from December 31, 2019 to September 30, 2021 |  |
Debt |  |
Total | 480.0 | 525.0
Senior unsecured notes due April 15, 2023 |  |
Debt |  |
Total | 500.0 | 500.0
Senior unsecured notes due November 15, 2036 |  |
Debt |  |
Total | 250.0 | 250.0
Other notes and revolving credit facilities |  |
Debt |  |
Total | $ 13.8 | $ 14.2

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