Power purchase agreements, etc. - amortization (Details) $ in Millions |
12 Months Ended |
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Dec. 31, 2015
USD ($)
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| Power Purchase Agreements | |
| Estimated future amortization expense | |
| 2016 | $ 34.9 |
| 2017 | 32.9 |
| 2018 | 26.1 |
| 2019 | 25.4 |
| 2020 | $ 22.4 |
| Weighted average remaining amortization period related to our intangible assets | |
| Weighted average remaining amortization period | 7 years 8 months 12 days |
| Fuel Supply Agreements | |
| Estimated future amortization expense | |
| 2016 | $ (1.2) |
| 2017 | (1.2) |
| 2018 | (1.2) |
| 2019 | (1.2) |
| 2020 | $ (1.2) |
| Weighted average remaining amortization period related to our intangible assets | |
| Weighted average remaining amortization period | 7 years 7 months 6 days |
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- Definition Net amount of amortization expense (recovery) for assets (liabilities), excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. No definition available.
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- Definition Net amount of amortization expense (recovery) for assets (liabilities), excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. No definition available.
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- Definition Net amount of amortization expense (recovery) for assets (liabilities), excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. No definition available.
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- Definition Net amount of amortization expense (recovery) for assets (liabilities), excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. No definition available.
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- Definition Net amount of amortization expense (recovery) for assets (liabilities), excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. No definition available.
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- Definition Remaining amortization or recovery period of finite-lived intangible assets and liabilities, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- References No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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