| In millions, except per share items | Dec-31-14 | Dec-31-13 | Dec-31-12 | Dec-31-11 | Dec-31-10 | Dec-31-09 | Dec-31-08 | Dec-31-07 |
| | 10-K | 10-K | 10-K | 10-K/A | 10-K | 10-K | 10-K | 10-K |
| Net sales | 724.4 | 823.6 | 854.7 | 864.4 | 933.8 | 735.9 | 996.4 | 1,136.1 |
| Net sales growth | -12.0% | -3.6% | -1.1% | -7.4% | 26.9% | -26.1% | -12.3% | 13.3% |
| Cost of sales | -653.7 | -745.5 | -790.0 | -826.5 | -849.5 | 687.6 | 891.3 | 1,001.4 |
| Gross profit | 70.7 | 78.1 | 64.7 | 37.9 | 84.3 | 48.3 | | |
| Gross margin | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | | |
| Selling and administrative expenses | 92.2 | 104.9 | 107.7 | 108.1 | 114.1 | 125.2 | | |
| Other income (expense), net | 9.3 | 21.4 | 22.3 | 14.7 | 14.3 | | | |
| Impairments, restructuring charges, and other items | -8.8 | -13.6 | 40.6 | -8.5 | -50.3 | | | |
| Operating income (loss) | -21.0 | -19.0 | 19.9 | -64.0 | -65.8 | -93.9 | | |
| Operating margin | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | 100.0% | | |
| Interest expense | -10.0 | -9.2 | -10.2 | -10.5 | -10.6 | -10.8 | | |
| Interest income | 3.2 | 1.5 | 3.2 | 2.3 | 1.2 | 2.3 | | |
| Income (loss) from continuing operations before taxes | -27.8 | -26.7 | 12.9 | -72.2 | -75.2 | -102.4 | -83.0 | -13.2 |
| Tax benefit (expense) | 0.5 | 7.7 | -10.2 | -0.9 | -16.6 | -10.6 | | |
| Tax rate | | | | 1.2% | 22.1% | 10.4% | 0.0% | 0.0% |
| Income (loss) from continuing operations | -28.3 | -34.4 | 23.1 | -71.3 | -58.6 | -91.8 | | |
| Loss from discontinued operations, net of tax | -4.4 | -3.1 | -0.5 | -1.9 | 1.8 | -1.6 | | |
| Net income (loss) | -32.7 | -37.5 | 22.6 | -73.2 | -56.8 | -93.4 | | |
| |
| 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 | | |
| Loss from discontinued operations (in dollars per share) | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | | |
| |
| Net loss per share (in dollars per share) | ($1.77) | ($2.03) | $1.22 | ($3.96) | ($3.07) | ($5.06) | | |
| |
| Weighted average shares, basic (in thousands) | 18.5 | 18.5 | 18.5 | 18.5 | 18.5 | 18.5 | | |
| |
| Earnings Per Share, Diluted [Abstract] | | | | | | | | |
| Net income (loss) per share (in dollars per share) | ($1.77) | ($2.03) | $1.22 | ($3.96) | ($3.07) | ($5.06) | | |
| Weighted average shares, diluted (in thousands) | 18.5 | 18.5 | 18.5 | 18.5 | 18.5 | 18.5 | | |
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