v3.5.0.2

Long-term debt (Details) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Jun. 30, 2016 | Dec. 31, 2015
Long-term debt |  |
Less: unamortized discount | $ (19.7) |
Less: current maturities | (96.4) | $ (15.8)
Total long-term debt | 807.8 | 682.7
Interest rate swaps |  |
Long-term debt |  |
Notional amount | 532.3 | 302.3
London Interbank Offered Rate (LIBOR) | Interest rate swaps |  |
Long-term debt |  |
Aggregate principal amount of debt | 674.9 |
Long-term debt excluding debentures |  |
Long-term debt |  |
Less: unamortized deferred financing costs | (17.6) | (34.8)
Less: current maturities | (96.4) | (15.8)
Total long-term debt | 807.8 | 682.7
Long-term debt excluding debentures | Senior secured term loan facility, due 2021 |  |
Long-term debt |  |
Long-term debt |  | 473.2
Less: current maturities |  | (4.7)
Long-term debt excluding debentures | Senior secured term loan facility, due 2023 |  |
Long-term debt |  |
Long-term debt | 674.9 |
Less: current maturities | $ (84.9) |
Applicable margin (as a percent) | 5.00% |
Long-term debt excluding debentures | Senior unsecured notes, due June 2036 (Cdn$210.0) |  |
Long-term debt |  |
Long-term debt | $ 162.6 | 151.7
Interest rate (as a percent) | 5.95% |
Long-term debt excluding debentures | Epsilon Power Partners term facility, due 2019 |  |
Long-term debt |  |
Long-term debt | $ 16.5 | 19.5
Less: current maturities | (6.1) | (6.0)
Long-term debt excluding debentures | Cadillac term loan, due 2025 |  |
Long-term debt |  |
Long-term debt | 28.3 | 29.5
Less: current maturities | (2.8) | (2.5)
Long-term debt excluding debentures | Piedmont term loan, due 2018 |  |
Long-term debt |  |
Long-term debt | 59.0 | 59.0
Less: current maturities | $ (2.4) | (2.4)
Applicable margin (as a percent) | 8.47% |
Long-term debt excluding debentures | Other long-term debt |  |
Long-term debt |  |
Long-term debt | $ 0.2 | 0.4
Less: current maturities | $ (0.2) | $ (0.2)
Long-term debt excluding debentures | Minimum | Other long-term debt |  |
Long-term debt |  |
Interest rate (as a percent) | 5.50% |
Long-term debt excluding debentures | Maximum | Other long-term debt |  |
Long-term debt |  |
Interest rate (as a percent) | 6.70% |
Long-term debt excluding debentures | London Interbank Offered Rate (LIBOR) | Senior secured term loan facility, due 2021 |  |
Long-term debt |  |
Minimum percentage of variable rate base | 1.00% |
Applicable margin (as a percent) | 3.75% |
Long-term debt excluding debentures | London Interbank Offered Rate (LIBOR) | Epsilon Power Partners term facility, due 2019 |  |
Long-term debt |  |
Applicable margin (as a percent) | 3.125% |
Long-term debt excluding debentures | London Interbank Offered Rate (LIBOR) | Cadillac term loan, due 2025 |  |
Long-term debt |  |
Applicable margin (as a percent) | 1.37% |
Long-term debt excluding debentures | London Interbank Offered Rate (LIBOR) | Interest rate swaps | Senior secured term loan facility, due 2021 |  |
Long-term debt |  |
Notional amount | $ 444.4 |

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