v2.4.0.8

CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified | Sep. 30, 2013 | Dec. 31, 2012
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CONSOLIDATED BALANCE SHEETS |  |
Property, plant, and equipment, accumulated depreciation | $ 152.1 | $ 79.2
Other intangible assets, accumulated amortization | 123.4 | 76.9
Power purchase and fuel supply agreement liabilities, accumulated amortization | $ 7.2 | $ 4.4
Common shares, no par value (in dollars per share) | $ 0 | $ 0
Common shares, issued shares (in shares) | 120,044,879 | 119,446,865
Common shares, outstanding shares (in shares) | 120,044,879 | 119,446,865

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