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Restructuring Restructuring (Tables)
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12 Months Ended |
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Dec. 31, 2014
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| Restructuring Project [Line Items] |
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| Schedule of Restructuring Reserve by Type of Cost [Table Text Block] |
The following table summarizes the activity within the restructuring related balance sheet accounts, for the 2014 and 2013 Projects, during the year ended December 31, 2014:
| | | | | | | | | | | | | | | | | | Accrued Employee Severance | | Asset Impairments & Net (Gain) Loss on Sale or Disposal | | Other Accrued Costs | | Total | | (in thousands) | Beginning balance, January 1, 2014 | $ | 32,709 |
| | $ | — |
| | $ | 3,632 |
| | $ | 36,341 |
| Costs incurred and charged to expense | 41,952 |
| | 5,220 |
| | 3,685 |
| | 50,857 |
| Cash payments | (12,732 | ) | | — |
| | (3,581 | ) | | (16,313 | ) | Non-cash items | — |
| | (5,220 | ) | | — |
| | (5,220 | ) | Effect of change in exchange rates | (2,596 | ) | | — |
| | (210 | ) | | (2,806 | ) | Ending balance, December 31, 2014 | $ | 59,333 |
| | $ | — |
| | $ | 3,526 |
| | $ | 62,859 |
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| Fair Value Measurements, Nonrecurring [Table Text Block] |
The following table includes long-lived assets held and used that were measured at fair value on a nonrecurring basis as of December 31, 2014 and 2013, and the related recognized losses for the years ended December 31, 2014 and 2013:
| | | | | | | | | | | | | | Net Carrying Value | | Fair Value Measurement (Level 3) | | Total Loss Recognized | | (in thousands) | 2014 | | | | | | Long-lived assets held and used | $ | 1,930 |
| | $ | 1,930 |
| | $ | 7,952 |
| | | | | | | 2013 | | | | | | Long-lived assets held and used | $ | — |
| | $ | — |
| | $ | — |
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| 2014 Project [Member] |
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| Restructuring Project [Line Items] |
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| Restructuring and Related Costs [Table Text Block] |
The total expected restructuring costs, the restructuring costs recognized during the year ended December 31, 2014, and the remaining expected restructuring costs as of December 31, 2014 are as follows:
| | | | | | | | | | | | | | Total Expected Costs at December 31, 2014 | | Costs Recognized During the Year Ended December 31, 2014 | | Remaining Costs to be Recognized at December 31, 2014 | | (in thousands) | Employee severance costs | $ | 47,447 |
| | $ | 47,447 |
| | $ | — |
| Asset impairments | 7,952 |
| | 7,952 |
| | — |
| Other restructuring costs | 11,254 |
| | 401 |
| | 10,853 |
| Total | $ | 66,653 |
| | $ | 55,800 |
| | $ | 10,853 |
| | | | | | | Segments: | | | | | | Electricity | $ | 39,730 |
| | $ | 29,660 |
| | $ | 10,070 |
| Gas | 12,455 |
| | 12,185 |
| | 270 |
| Water | 1,145 |
| | 1,106 |
| | 39 |
| Corporate unallocated | 13,323 |
| | 12,849 |
| | 474 |
| Total | $ | 66,653 |
| | $ | 55,800 |
| | $ | 10,853 |
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| 2013 Project [Member] |
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| Restructuring Project [Line Items] |
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| Restructuring and Related Costs [Table Text Block] |
The total expected restructuring costs, the costs recognized in prior periods, the restructuring costs recognized during the year ended December 31, 2014, and the remaining expected restructuring costs as of December 31, 2014 were as follows:
| | | | | | | | | | | | | | | | | | Total Expected Costs at December 31, 2014 | | Costs Recognized in Prior Periods | | Costs Recognized During the Year Ended December 31, 2014 | | Remaining Costs to be Recognized at December 31, 2014 | | (in thousands) | Employee severance costs | $ | 23,691 |
| | $ | 29,186 |
| | $ | (5,495 | ) | | $ | — |
| Asset impairments | (1,500 | ) | | 1,232 |
| | (2,732 | ) | | — |
| Other restructuring costs | 3,965 |
| | 681 |
| | 3,284 |
| | — |
| Total | $ | 26,156 |
| | $ | 31,099 |
| | $ | (4,943 | ) | | $ | — |
| | | | | | | | | Segments: | | | | | | | | Electricity | $ | 15,512 |
| | $ | 24,056 |
| | $ | (8,544 | ) | | $ | — |
| Gas | 1,375 |
| | 4,369 |
| | (2,994 | ) | | — |
| Water | 3,130 |
| | 1,957 |
| | 1,173 |
| | — |
| Corporate unallocated | 6,139 |
| | 717 |
| | 5,422 |
| | — |
| Total | $ | 26,156 |
| | $ | 31,099 |
| | $ | (4,943 | ) | | $ | — |
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