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Segment Information (Tables) | 3 Months Ended
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Mar. 31, 2015
Segment Reporting [Abstract] |
Segment Information | The following table s show segment information for MGE Energy's operations for the indicated periods:
(In thousands)MGE Energy |  | Electric |  | Gas |  | Non- Regulated Energy |  | Transmission Investment |  | All Others |  | Consolidation/ Elimination Entries |  | Consolidated Total
Three Months Ended March 31, 2015 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues | $ | 98,240 | $ | 69,928 | $ | 1,966 | $ | - | $ | - | $ | - | $ | 170,134
Interdepartmental revenues |  | 115 |  | 2,725 |  | 9,847 |  | - |  | - |  | (12,687) |  | -
Total operating revenues |  | 98,355 |  | 72,653 |  | 11,813 |  | - |  | - |  | (12,687) |  | 170,134
Depreciation and amortization |  | (7,332) |  | (1,642) |  | (1,863) |  | - |  | (12) |  | - |  | (10,849)
Other operating expenses |  | (79,800) |  | (60,068) |  | (50) |  | - |  | (203) |  | 12,687 |  | (127,434)
Operating income (loss) |  | 11,223 |  | 10,943 |  | 9,900 |  | - |  | (215) |  | - |  | 31,851
Other (deductions) income, net |  | 90 |  | (1) |  | - |  | 1,881 |  | 135 |  | - |  | 2,105
Interest (expense) income, net |  | (2,819) |  | (804) |  | (1,518) |  | - |  | 50 |  | - |  | (5,091)
Income (loss) before taxes |  | 8,494 |  | 10,138 |  | 8,382 |  | 1,881 |  | (30) |  | - |  | 28,865
Income tax provision |  | (2,383) |  | (4,081) |  | (3,364) |  | (756) |  | (3) |  | - |  | (10,587)
Net income (loss) | $ | 6,111 | $ | 6,057 | $ | 5,018 | $ | 1,125 | $ | (33) | $ | - | $ | 18,278
Three Months Ended March 31, 2014 |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues | $ | 98,852 | $ | 110,713 | $ | 680 | $ | - | $ | - | $ | - | $ | 210,245
Interdepartmental revenues |  | 118 |  | 3,624 |  | 10,670 |  | - |  | - |  | (14,412) |  | -
Total operating revenues |  | 98,970 |  | 114,337 |  | 11,350 |  | - |  | - |  | (14,412) |  | 210,245
Depreciation and amortization |  | (6,337) |  | (1,563) |  | (1,834) |  | - |  | (12) |  | - |  | (9,746)
Other operating expenses |  | (77,901) |  | (92,843) |  | (40) |  | - |  | (156) |  | 14,412 |  | (156,528)
Operating income (loss) |  | 14,732 |  | 19,931 |  | 9,476 |  | - |  | (168) |  | - |  | 43,971
Other (deductions) income, net |  | 1,827 |  | (35) |  | - |  | 2,481 |  | 279 |  | - |  | 4,552
Interest (expense) income, net |  | (2,205) |  | (804) |  | (1,572) |  | - |  | 40 |  | - |  | (4,541)
Income before taxes |  | 14,354 |  | 19,092 |  | 7,904 |  | 2,481 |  | 151 |  | - |  | 43,982
Income tax provision |  | (4,353) |  | (7,665) |  | (3,172) |  | (998) |  | (77) |  | - |  | (16,265)
Net income | $ | 10,001 | $ | 11,427 | $ | 4,732 | $ | 1,483 | $ | 74 | $ | - | $ | 27,717
The following table s show segment information for MGE's operations for the indicated periods:
(In thousands)MGE |  | Electric |  | Gas |  | Non- Regulated Energy |  | Transmission Investment |  | Consolidation/ Elimination Entries |  | Consolidated Total
Three Months Ended March 31, 2015 |  |  |  |  |  |  |  |  |  |
Operating revenues | $ | 98,245 | $ | 69,933 | $ | 1,966 | $ | - | $ | - | $ | 170,144
Interdepartmental revenues |  | 110 |  | 2,720 |  | 9,847 |  | - |  | (12,677) |  | -
Total operating revenues |  | 98,355 |  | 72,653 |  | 11,813 |  | - |  | (12,677) |  | 170,144
Depreciation and amortization |  | (7,332) |  | (1,642) |  | (1,863) |  | - |  | - |  | (10,837)
Other operating expenses* |  | (82,142) |  | (64,138) |  | (3,414) |  | - |  | 12,677 |  | (137,017)
Operating income* |  | 8,881 |  | 6,873 |  | 6,536 |  | - |  | - |  | 22,290
Other (deductions) income, net* |  | 49 |  | (12) |  | - |  | 1,125 |  | - |  | 1,162
Interest expense, net |  | (2,819) |  | (804) |  | (1,518) |  | - |  | - |  | (5,141)
Net income |  | 6,111 |  | 6,057 |  | 5,018 |  | 1,125 |  | - |  | 18,311
Less: Net income attributable to |  |  |  |  |  |  |  |  |  |  |  |
noncontrolling interest, net of tax |  | - |  | - |  | - |  | - |  | (6,553) |  | (6,553)
Net income attributable to MGE | $ | 6,111 | $ | 6,057 | $ | 5,018 | $ | 1,125 | $ | (6,553) | $ | 11,758
Three Months Ended March 31, 2014 |  |  |  |  |  |  |  |  |  |
Operating revenues | $ | 98,858 | $ | 110,718 | $ | 680 | $ | - | $ | - | $ | 210,256
Interdepartmental revenues |  | 112 |  | 3,619 |  | 10,670 |  | - |  | (14,401) |  | -
Total operating revenues |  | 98,970 |  | 114,337 |  | 11,350 |  | - |  | (14,401) |  | 210,256
Depreciation and amortization |  | (6,337) |  | (1,563) |  | (1,834) |  | - |  | - |  | (9,734)
Other operating expenses* |  | (82,046) |  | (100,450) |  | (3,212) |  | - |  | 14,401 |  | (171,307)
Operating income* |  | 10,587 |  | 12,324 |  | 6,304 |  | - |  | - |  | 29,215
Other (deductions) income, net* |  | 1,619 |  | (93) |  | - |  | 1,483 |  | - |  | 3,009
Interest expense, net |  | (2,205) |  | (804) |  | (1,572) |  | - |  | - |  | (4,581)
Net income |  | 10,001 |  | 11,427 |  | 4,732 |  | 1,483 |  | - |  | 27,643
Less: Net income attributable to |  |  |  |  |  |  |  |  |  |  |  |
noncontrolling interest, net of tax |  | - |  | - |  | - |  | - |  | (6,510) |  | (6,510)
Net income attributable to MGE | $ | 10,001 | $ | 11,427 | $ | 4,732 | $ | 1,483 | $ | (6,510) | $ | 21,133
*Amounts are shown net of the related tax expense, consistent with the presentation on the consolidated MGE Income Statement.

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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8721-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8736-108599 + Details
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