| In millions, except per share items | Mar-31-12 | Dec-31-11 | Sep-30-11 | Jun-30-11 | Mar-31-11 | Dec-31-10 | Sep-30-10 | Jun-30-10 |
| | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q | 10-Q |
| Net sales | 498.0 | 526.0 | 519.0 | 543.0 | 509.0 | 489.0 | 511.0 | 502.0 |
| Net sales growth | -2.2% | 7.6% | 1.6% | 8.2% | 13.6% | 7.2% | 17.5% | 22.4% |
| Cost of goods sold | 340.0 | | 370.0 | 373.0 | 347.0 | | 353.0 | 343.0 |
| Gross Profit | 158.0 | | 149.0 | 170.0 | 162.0 | | 158.0 | 159.0 |
| Gross margin | 31.7% | | 28.7% | 31.3% | 31.8% | | 30.9% | 31.7% |
| Selling, general and administrative expenses | 75.0 | | 65.0 | 60.0 | 62.0 | | 62.0 | 67.0 |
| Research And Development Expense | 8.0 | | | 5.0 | 6.0 | | | 4.0 |
| Other operating expense (income), net | -1.0 | -44.0 | | -2.0 | -11.0 | -2.0 | | -1.0 |
| Operating Income (Loss) | 76.0 | | 108.0 | 107.0 | 105.0 | | 88.0 | 89.0 |
| Operating margin | 15.3% | | 20.8% | 19.7% | 20.6% | | 17.2% | 17.7% |
| Interest expense | -23.0 | | | -26.0 | -28.0 | | | -36.0 |
| Other income (loss), net | | -2.0 | | | -1.0 | | | 10.0 |
| Loss on debt modification | | | | | -2.0 | | | |
| Income tax expense (benefit) | -1.0 | | 6.0 | 11.0 | 8.0 | | 7.0 | 9.0 |
| |
| Income (Loss) from Continuing Operations | | | | | | | | |
| Income (Loss) from Discontinued Operations, Net of Tax | | | | | | -9.0 | | -13.0 |
| Net Income (Loss) | 54.0 | | 76.0 | 70.0 | 66.0 | | 50.0 | 95.0 |
| Net income (loss) attributable to noncontrolling interest | 1.0 | | 1.0 | 2.0 | 1.0 | | 2.0 | |
| Net Income (Loss) attributable to Solutia | 53.0 | | 75.0 | 68.0 | 65.0 | | 48.0 | 41.0 |
| |
| Basic Income (Loss) per Share attributable to Solutia: | | | | | | | | |
| Income (Loss) from Continuing Operations, Per Basic Share | | | | | | | | |
| Income (Loss) from Discontinued Operations, Net of Tax, Per Basic Share | | | | | | | | |
| Net Income (Loss) attributable to Solutia Per Share, Basic | $0.44 | | $0.62 | $0.57 | $0.54 | | $0.40 | $0.34 |
| |
| Diluted Income (Loss) per Share attributable to Solutia: | | | | | | | | |
| Income (Loss) from Continuing Operations, Per Diluted Share | | | | | | | | |
| Income (Loss) from Discontinued Operations, Net of Tax, Per Diluted Share | | | | | | | | |
| Net Income (Loss) attributable to Solutia Per Share, Diluted | $0.43 | | $0.62 | $0.56 | $0.54 | | $0.40 | $0.34 |