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Commitments and Contingencies (Details 2) (USD $) In Millions, unless otherwise specified |  |  | 1 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2014 | Sep. 30, 2013 Vehicular traffic accident | Sep. 30, 2013 L.E. Myers Co Vehicular traffic accident | Jan. 31, 2013 L.E. Myers Co Northern States Power Company (Wisconsin) v. The City of Ashland, Wisconsin Minimum | Jan. 31, 2013 L.E. Myers Co Northern States Power Company (Wisconsin) v. The City of Ashland, Wisconsin Maximum | Jun. 30, 2014 Performance and Payment Bonds
Commitments and Contingencies |  |  |  |  |  |
Deductible per claim for each line of coverage, excluding health | $ 1.0 |  |  |  |  |
Deductible under health insurance benefits for qualified individuals | 0.1 |  |  |  |  |
Aggregate original face amount of outstanding bonds issued by the surety |  |  |  |  |  | 937.8
Estimated remaining cost to complete bonded projects |  |  |  |  |  | 171.5
Compensatory damages |  |  | 0.7 |  |  |
Punitive damages |  |  | 3.6 |  |  |
Reserve for legal settlements |  | 2.3 |  |  |  |
Period during which the defendant operated a manufactured gas plant |  |  |  | 6 years | 12 years |
Damages alleged |  |  |  |  | $ 140 |

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- Definition Represents the amount of deductible up to the claim aggregate under insurance arrangements, for each line of coverage excluding auto liability and medical insurance, excluding health insurance. + References No definition available. + Details
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- Definition The total amount of outstanding performance bonds. + References No definition available. + Details
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- Definition Represents the period during which the defendant operated a manufactured gas plant. + References No definition available. + Details
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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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