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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