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Segment Information - Reportable Segments Adjusted Working Capital and Assets (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 1,084.6 | $ 1,141.3 | $ 1,214.8
Total assets | 1,697.7 | 1,998.5 |
Operating segments | Mobile Consumer Electronics |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 1,153.2 | 1,474.1 |
Operating segments | Specialty Components |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | 542.7 | 525.8 |
Intra-segment eliminations |  |  |
Segment Reporting Information [Line Items] |  |  |
Total assets | $ 1.8 | $ (1.4) |

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