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Other Income (Expense) | 12 Months Ended
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Dec. 31, 2011
Other Income and Expenses [Abstract] |
Other Income (Expense) [Text Block] | Other Income (Expense)
Year Ended December 31 | 2011 | 2010 | 2009
Millions |  |  |
AFUDC - Equity |  | $2.5 |  |  | $4.2 |  |  | $5.8 |
Investment and Other Income (Expense) | 1.9 |  | 0.4 |  | (4.0 | )
Total Other Income |  | $4.4 |  |  | $4.6 |  |  | $1.8 |

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- Definition The entire disclosure for other income or other expense items (both operating and nonoperating). Sources of nonoperating income or nonoperating expense that may be disclosed, include amounts earned from dividends, interest on securities, profits (losses) on securities, net and miscellaneous other income or income deductions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 5 -Section 03 -Paragraph 3, 6, 7, 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3,6,7,9) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
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