| Segment Information |
| | | | | | | | | | | | | | | | | | Three Months Ended
September 30, | | Nine Months Ended
September 30, | | 2012 | | 2011 | | 2012 | | 2011 | Sales: | ($ in millions) | Chlor Alkali Products | $ | 364.8 |
| | $ | 386.1 |
| | $ | 1,087.7 |
| | $ | 1,065.8 |
| Chemical Distribution | 47.6 |
| | — |
| | 47.6 |
| | — |
| Winchester | 168.8 |
| | 164.1 |
| | 461.8 |
| | 449.5 |
| Total sales | $ | 581.2 |
| | $ | 550.2 |
| | $ | 1,597.1 |
| | $ | 1,515.3 |
| Income before taxes: | | | | | | | | Chlor Alkali Products | $ | 59.5 |
| | $ | 76.7 |
| | $ | 208.9 |
| | $ | 194.7 |
| Chemical Distribution | 1.9 |
| | — |
| | 1.9 |
| | — |
| Winchester | 16.0 |
| | 13.1 |
| | 38.7 |
| | 37.4 |
| Corporate/other: | | | | | | | | Pension income | 7.2 |
| | 6.9 |
| | 20.5 |
| | 20.8 |
| Environmental expense | (3.6 | ) | | (2.5 | ) | | (6.7 | ) | | (2.9 | ) | Other corporate and unallocated costs | (16.8 | ) | | (15.7 | ) | | (55.5 | ) | | (52.8 | ) | Restructuring charges | (2.3 | ) | | (4.1 | ) | | (6.0 | ) | | (6.6 | ) | Acquisition costs | (8.3 | ) | | — |
| | (8.3 | ) | | (0.8 | ) | Other operating income | 1.1 |
| | 4.3 |
| | 1.5 |
| | 5.9 |
| Interest expense | (6.0 | ) | | (7.9 | ) | | (18.3 | ) | | (22.5 | ) | Interest income | 0.2 |
| | 0.2 |
| | 0.7 |
| | 0.7 |
| Other (expense) income | (2.2 | ) | | (1.6 | ) | | (6.9 | ) | | 179.0 |
| Income before taxes | $ | 46.7 |
| | $ | 69.4 |
| | $ | 170.5 |
| | $ | 352.9 |
|
|