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Quarterly Financial Data | 12 Months Ended
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Dec. 31, 2013
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Data | Supplementary Financial Data Quarterly Financial Data (Unaudited)
|  | Three months ended |
|  | March 31 |  |  | June 30 |  |  | September 30 |  |  | December 31 |
|  | (In Thousands, Except Per Share Amounts) |
2013 (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 150,679 |  |  | $ | 202,223 |  |  | $ | 177,350 |  |  | $ | 149,035 |
Gross profit (2) |  | $ | 25,422 |  |  | $ | 38,659 |  |  | $ | 48,909 |  |  | $ | 30,566 |
Income (loss) from continuing operations (2) (3) |  | $ | (68 | ) |  | $ | 7,486 |  |  | $ | 10,250 |  |  | $ | 37,473 |
Net loss (income) from discontinued operations |  |  | — |  |  |  | 59 |  |  |  | (10 | ) |  |  | 130 |
Net income (loss) |  | $ | (68 | ) |  | $ | 7,427 |  |  | $ | 10,260 |  |  | $ | 37,343 |
Net income (loss) applicable to common stock |  | $ | (368 | ) |  | $ | 7,427 |  |  | $ | 10,260 |  |  | $ | 37,343 |
Income (loss) per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  | $ | (0.02 | ) |  | $ | 0.33 |  |  | $ | 0.46 |  |  | $ | 1.67 |
Net loss from discontinued operations |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (0.01 | )
Net income (loss) |  | $ | (0.02 | ) |  | $ | 0.33 |  |  | $ | 0.46 |  |  | $ | 1.66 |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income (loss) from continuing operations |  | $ | (0.02 | ) |  | $ | 0.31 |  |  | $ | 0.43 |  |  | $ | 1.59 |
Net loss from discontinued operations |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (0.01 | )
Net income (loss) |  | $ | (0.02 | ) |  | $ | 0.31 |  |  | $ | 0.43 |  |  | $ | 1.58 |
2012 (1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ | 190,245 |  |  | $ | 209,275 |  |  | $ | 182,374 |  |  | $ | 177,137 |
Gross profit (2) |  | $ | 44,444 |  |  | $ | 65,735 |  |  | $ | 33,187 |  |  | $ | 40,370 |
Income from continuing operations (2) |  | $ | 14,324 |  |  | $ | 26,130 |  |  | $ | 6,710 |  |  | $ | 11,622 |
Net loss from discontinued operations |  |  | 21 |  |  |  | 97 |  |  |  | 2 |  |  |  | 62 |
Net income |  | $ | 14,303 |  |  | $ | 26,033 |  |  | $ | 6,708 |  |  | $ | 11,560 |
Net income applicable to common stock |  | $ | 14,003 |  |  | $ | 26,033 |  |  | $ | 6,708 |  |  | $ | 11,560 |
Income per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 0.63 |  |  | $ | 1.17 |  |  | $ | 0.30 |  |  | $ | 0.52 |
Net loss from discontinued operations |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net income |  | $ | 0.63 |  |  | $ | 1.17 |  |  | $ | 0.30 |  |  | $ | 0.52 |
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income from continuing operations |  | $ | 0.61 |  |  | $ | 1.11 |  |  | $ | 0.28 |  |  | $ | 0.49 |
Net loss from discontinued operations |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Net income |  | $ | 0.61 |  |  | $ | 1.11 |  |  | $ | 0.28 |  |  | $ | 0.49 |
(1) | During 2012 and 2013, our Chemical Business encountered a number of significant issues including an explosion in one of our nitric acid plants at the El Dorado Facility in May 2012, a pipe rupture that damaged the ammonia plant at the Cherokee Facility in November 2012 and numerous mechanical issues at the Pryor Facility during 2012 and 2013, all resulting in lost production and significant adverse effect on 2012 and 2013 operating results.
(2) | The following items increased gross profit and income from continuing operations:
|  | Three months ended |
|  | March 31 |  |  | June 30 |  |  | September 30 |  |  | December 31 |
|  | (In Thousands) |
Business interruption insurance recoveries: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2013 |  | $ | 10,810 |  |  | $ | 3,400 |  |  | $ | 4,227 |  |  | $ | 10,203 |
2012 |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 7,300 |
Precious metals recoveries: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2013 |  | $ | — |  |  | $ | — |  |  | $ | 4,493 |  |  | $ | — |
2012 |  | $ | 29 |  |  | $ | — |  |  | $ | 250 |  |  | $ | 301 |
(3) | The following items increased income from continuing operations:
|  | Three months ended |
|  | March 31 |  |  | June 30 |  |  | September 30 |  |  | December 31 |
|  | (In Thousands) |
Property insurance recoveries: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2013 |  | $ | — |  |  | $ | — |  |  | $ | 255 |  |  | $ | 66,000 |
Interest expense, net: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
2013 |  | $ | 731 |  |  | $ | 536 |  |  | $ | 5,395 |  |  | $ | 7,324 |
2012 |  | $ | 1,132 |  |  | $ | 1,179 |  |  | $ | 1,489 |  |  | $ | 437 |

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