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Net Income Per Share (Tables) | 12 Months Ended
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Dec. 31, 2016
Earnings Per Share [Abstract] |
Schedule of Net Income Per Share |
| Year Ended December 31,
(in millions, except per share amounts) | 2016 |  | 2015
Numerator for basic and diluted calculation: |  |  |
Net loss | $ | (67.0 | ) |  | $ | (187.4 | )
Denominator: |  |  |
Weighted average common shares | 9.1 |  |  | 9.0 |
Denominator for basic calculation | 9.1 |  |  | 9.0 |
Weighted average effect of dilutive securities: |  |  |
Stock compensation awards (a) | — |  |  | — |
Denominator for diluted calculation | 9.1 |  |  | 9.0 |
Net loss per share - basic and diluted | $ | (7.36 | ) |  | $ | (20.82 | )
Schedule of Securities Excluded from Net Income Per Share |
| Year Ended December 31, |
| 2016 |  |  | 2015 |
Options excluded from diluted net income per share | 368,000 |  |  |  | 375,000 |  |
Exercise price of excluded options | $ | 3.90 |  | to |  | $ | 3.90 |  | to
| $ | 5.62 |  |  |  | $ | 5.62 |  |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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