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Subsequent Events (Details) - USD ($) |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Feb. 09, 2016 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Feb. 08, 2016 | Dec. 30, 2014 | Jan. 27, 2014
Subsequent Event [Line Items] |  |  |  |  |  |  |
Asset impairment charges |  | $ 9,700,000 | $ 4,300,000 | $ 3,600,000 |  |  |
Mobile Consumer Electronics | Speaker and Receiver Product Line |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Asset impairment charges |  | 191,500,000 |  |  |  |  |
Revolving Credit Facility | Line of Credit |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  | 350,000,000 |  |  |  | $ 200,000,000 | $ 200,000,000
Credit Agreement Amendment February 2016 | Subsequent Event | Revolving Credit Facility | Line of Credit |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Debt instrument, covenant, consolidated EBITDA maximum adjustment | $ 45,000,000.0 |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity | $ 300,000,000 |  |  |  | $ 350,000,000 |  |
Discontinued Operations, Held-for-sale | Mobile Consumer Electronics | Speaker and Receiver Product Line |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |
Disposal group, including discontinued operation, assets |  | $ 441,100,000 |  |  |  |  |
Disposal group, including discontinued operation, liabilities of disposal group |  | 51.8 |  |  |  |  |
Disposal group, including discontinued operation, revenue |  | $ 235,000,000 |  |  |  |  |
Disposal group, including discontinued operation, operating income (loss) |  | $ 272,400,000 |  |  |  |  |

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