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Summary of Significant Accounting Policies (Details)
$ in Millions
12 Months Ended
Jul. 07, 2016
USD ($)
Dec. 31, 2021
USD ($)
segments
reporting_unit
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Accounting Policies [Line Items]        
Revenue Recognition, Sales Discounts and Rebates   $ 5.0 $ 4.2 $ 4.7
Operating Lease, Liability   26.1    
Operating Lease, Right-of-Use Asset   $ 17.4 23.3  
Goodwill and Intangible Assets [Abstract]        
Number of Reporting Units | reporting_unit   3    
Goodwill   $ 941.3 910.0 909.9
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)   0.0 0.0 0.0
Property, Plant and Equipment [Abstract]        
Total impairment charges   $ 4.0 7.6 0.0
Revenue Recognition [Abstract]        
Number of reportable segments | segments   2    
Document Fiscal Year Focus   2021    
Revenue Recognition, Sales Returns, Reserve for Sales Returns   $ 4.3 5.4 6.6
Increase (Decrease) in Contract Receivables, Net   137.7 123.8  
Investments   6.4 2.5  
Noncash Investing and Financing Items [Abstract]        
Purchases of property and equipment included in accounts payable   $ 5.4 2.0 4.7
Minimum        
Goodwill and Intangible Assets [Abstract]        
Percentage of fair value in excess of carrying amount   35.00%    
Buildings and improvements | Maximum        
Property, Plant and Equipment [Abstract]        
Property, plant and equipment, useful life   31 years 6 months    
Buildings and improvements | Minimum        
Property, Plant and Equipment [Abstract]        
Property, plant and equipment, useful life   5 years    
Machinery and equipment | Maximum        
Property, Plant and Equipment [Abstract]        
Property, plant and equipment, useful life   7 years    
Machinery and equipment | Minimum        
Property, Plant and Equipment [Abstract]        
Property, plant and equipment, useful life   1 year 6 months    
Furniture and fixtures | Maximum        
Property, Plant and Equipment [Abstract]        
Property, plant and equipment, useful life   5 years    
Furniture and fixtures | Minimum        
Property, Plant and Equipment [Abstract]        
Property, plant and equipment, useful life   2 years    
Vehicles        
Property, Plant and Equipment [Abstract]        
Property, plant and equipment, useful life   3 years    
Software and software development costs | Maximum        
Property, Plant and Equipment [Abstract]        
Property, plant and equipment, useful life   5 years    
Software and software development costs | Minimum        
Property, Plant and Equipment [Abstract]        
Property, plant and equipment, useful life   3 years    
Speaker and Receiver Product Line | Discontinued Operations, Disposed of by Sale [Member]        
Accounting Policies [Line Items]        
Proceeds from Divestiture of Businesses $ 40.6      
Precision Devices        
Goodwill and Intangible Assets [Abstract]        
Goodwill   $ 62.5 31.2 31.2
Precision Devices | Timing Device Business [Member] | Discontinued Operations, Disposed of by Sale [Member]        
Accounting Policies [Line Items]        
Proceeds from Divestiture of Businesses       135.1
Audio        
Goodwill and Intangible Assets [Abstract]        
Goodwill   878.8 $ 878.8 $ 878.7
Mobile Consumer Electronics [Member]        
Goodwill and Intangible Assets [Abstract]        
Goodwill   741.0    
Hearing Health Technologies [Member]        
Goodwill and Intangible Assets [Abstract]        
Goodwill   137.8    
Precision Devices        
Goodwill and Intangible Assets [Abstract]        
Goodwill   $ 62.5