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Sale of NAC Subsidiary (Tables) | 9 Months Ended
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Sep. 30, 2013
Discontinued Operation, Additional Disclosures [Abstract] |
Schedule of Discontinued Operations Income Statement Disclosures [Table Text Block] |
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2013 |  | 2012 |  | 2013 |  | 2012
Revenue | $ | — |  |  | $ | 7.5 |  |  | $ | 13.7 |  |  | $ | 38.0 |
Cost of sales | — |  |  | 6.6 |  |  | 11.8 |  |  | 32.9 |
Gross profit | — |  |  | 0.9 |  |  | 1.9 |  |  | 5.1 |
Advanced technology costs | — |  |  | 0.2 |  |  | — |  |  | 0.6 |
Selling, general and administrative | — |  |  | 1.5 |  |  | 1.8 |  |  | 4.4 |
Operating income (loss) | — |  |  | (0.8 | ) |  | 0.1 |  |  | 0.1 |
Gain on sale of subsidiary | — |  |  | — |  |  | 35.6 |  |  | — |
Income (loss) before income taxes | — |  |  | (0.8 | ) |  | 35.7 |  |  | 0.1 |
Provision (benefit) for income taxes | — |  |  | (0.3 | ) |  | 14.0 |  |  | — |
Net income (loss) from discontinued operations | $ | — |  |  | $ | (0.5 | ) |  | $ | 21.7 |  |  | $ | 0.1 |

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- Definition Tabular disclosure of disposal groups, which may include the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the classification and carrying value of the assets and liabilities comprising the disposal group, and the segment in which the disposal group was reported. Also may include the amount of adjustments to amounts previously reported in discontinued operations such as resolution of contingencies arising from the disposal transaction or the operations of the component prior to disposal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1510-107760 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2443-110228 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1474-107760 + Details
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