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Restructuring Restructuring Expected Costs, Costs To-Date, Remaining Costs, and Costs During the Period - 2013 Projects (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | 9 Months Ended | 9 Months Ended | 9 Months Ended | 9 Months Ended | 9 Months Ended | 9 Months Ended | 9 Months Ended | 9 Months Ended | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2014
Employee severance costs
|
Sep. 30, 2014
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]
|
Sep. 30, 2014
Other restructuring costs
|
Sep. 30, 2014
2013 Project [Member]
|
Dec. 31, 2013
2013 Project [Member]
|
Sep. 30, 2014
2013 Project [Member]
Employee severance costs
|
Dec. 31, 2013
2013 Project [Member]
Employee severance costs
|
Sep. 30, 2014
2013 Project [Member]
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]
|
Dec. 31, 2013
2013 Project [Member]
Asset Impairment and Net (Gain) Loss on Sale or Disposal [Member]
|
Sep. 30, 2014
2013 Project [Member]
Other restructuring costs
|
Dec. 31, 2013
2013 Project [Member]
Other restructuring costs
|
Sep. 30, 2014
2013 Project [Member]
Electricity Operating Segment [Member]
|
Dec. 31, 2013
2013 Project [Member]
Electricity Operating Segment [Member]
|
Sep. 30, 2014
2013 Project [Member]
Gas Operating Segment [Member]
|
Dec. 31, 2013
2013 Project [Member]
Gas Operating Segment [Member]
|
Sep. 30, 2014
2013 Project [Member]
Water Operating Segment [Member]
|
Dec. 31, 2013
2013 Project [Member]
Water Operating Segment [Member]
|
Sep. 30, 2014
2013 Project [Member]
Corporate Unallocated [Member]
|
Dec. 31, 2013
2013 Project [Member]
Corporate Unallocated [Member]
|
|
| Restructuring Cost and Reserve [Line Items] | |||||||||||||||||||||||
| Total expected costs at period end | $ 28,888 | $ 23,691 | $ 1,232 | $ 3,965 | $ 15,512 | $ 4,107 | $ 3,130 | $ 6,139 | |||||||||||||||
| Restructuring and Related Cost, Cost Incurred to Date | 31,099 | 29,186 | 1,232 | 681 | 24,056 | 4,369 | 1,957 | 717 | |||||||||||||||
| Costs recognized during the period ended | 58 | 28,379 | (2,211) | 32,777 | (5,495) | 0 | 3,284 | (2,211) | (5,495) | 0 | 3,284 | (8,544) | (262) | 1,173 | 5,422 | ||||||||
| Remaining Costs to be Recognized at Period End | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | |||||||||||||||