| In millions, except per share items | Jun-30-15 | Mar-31-15 | Dec-31-14 | Sep-30-14 | Jun-30-14 | Mar-31-14 | Dec-31-13 | Sep-30-13 |
| | 10-Q | 10-Q | 10-K | 10-Q | 10-Q | 10-Q | 10-K | 10-Q |
| Net sales | 675.3 | 704.4 | 724.4 | 754.6 | 760.7 | 795.3 | 823.6 | 828.0 |
| Net sales growth | -11.2% | -11.4% | -12.0% | -8.9% | -9.7% | -5.6% | -3.6% | -0.3% |
| Cost of sales | -592.4 | -630.8 | -653.7 | -686.4 | -689.7 | -722.2 | -745.5 | -749.4 |
| Gross profit | 82.9 | 73.6 | 70.7 | 68.2 | 71.0 | 73.1 | 78.1 | 78.6 |
| Gross margin | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Selling and administrative expenses | 89.6 | 92.5 | 92.2 | 93.6 | 94.8 | 98.8 | 104.9 | 107.3 |
| Other income (expense), net | 6.6 | 7.8 | 9.3 | 13.6 | 15.2 | 20.6 | 21.4 | 19.5 |
| Impairments, restructuring charges, and other items | -9.1 | -6.2 | -8.8 | -7.8 | -13.1 | -14.3 | -13.6 | -14.6 |
| Operating income (loss) | -9.2 | -17.3 | -21.0 | -19.6 | -21.7 | -19.4 | -19.0 | -23.8 |
| Operating margin | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% |
| Interest expense | -8.9 | -9.5 | -10.0 | -9.7 | -9.3 | -9.2 | -9.2 | -9.1 |
| Interest income | 4.9 | 3.4 | 3.2 | 2.2 | 1.7 | 1.6 | 1.5 | 1.4 |
| Income (loss) from continuing operations before taxes | -13.2 | -23.4 | -27.8 | -27.1 | -29.3 | -27.0 | -26.7 | -31.5 |
| Tax benefit (expense) | -0.1 | 0.1 | 0.5 | 8.1 | 7.8 | 7.7 | 7.7 | -2.6 |
| Tax rate | 0.8% | -0.4% | -1.8% | | | | | |
| Income (loss) from continuing operations | -13.1 | -23.5 | -28.3 | -35.2 | -37.1 | -34.7 | -34.4 | -28.9 |
| Loss from discontinued operations, net of tax | -1.3 | -1.3 | -4.4 | -5.5 | -5.5 | -5.5 | -3.1 | -2.0 |
| Net income (loss) | -14.4 | -24.8 | -32.7 | -40.7 | -42.6 | -40.2 | -37.5 | -30.9 |
| |
| Basic income (loss) per share (a): | | | | | | | | |
| Loss from continuing operations (in dollars per share) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Loss from discontinued operations (in dollars per share) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| |
| Net loss per share (in dollars per share) | ($0.78) | ($1.34) | ($1.77) | ($2.21) | ($2.30) | ($2.18) | ($2.03) | ($1.67) |
| |
| Weighted average shares, basic (in thousands) | 18.5 | 18.5 | 18.5 | 18.5 | 18.5 | 18.5 | 18.5 | 18.5 |
| |
| Earnings Per Share, Diluted [Abstract] | | | | | | | | |
| Loss from discontinued operations (in dollars per share) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| Income (loss) from continuing operations (in dollars per share) | 0.0 | | | | 0.0 | | | |
| Net income (loss) per share (in dollars per share) | ($0.78) | ($1.34) | ($1.77) | ($2.21) | ($2.30) | ($2.18) | ($2.03) | ($1.67) |
| Weighted average shares, diluted (in thousands) | 18.5 | 18.5 | 18.5 | 18.5 | 18.5 | 18.5 | 18.5 | 18.5 |
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