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Summary of Significant Accounting Policies (Details)		3 Months Ended								12 Months Ended
	Feb. 28, 2014	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 30, 2014 USD ($)	Jun. 30, 2014 USD ($)	Mar. 31, 2014 USD ($)	Dec. 31, 2015 USD ($) segment reporting_unit		Dec. 31, 2014 USD ($)		Dec. 31, 2013 USD ($)
Accounting Policies [Line Items]
Number of reportable segments | segment										2
Percent of outstanding common stock distributed to former parent company shareholders	100.00%
Financial Statement Presentation [Abstract]
Allocated expenses												$ 3,400,000		$ 23,600,000
Revision of Prior Period Financial Statements [Abstract]
Income (loss) from continuing operations before income taxes										$ (248,900,000)		(55,100,000)		101,500,000
Net (loss) earnings		$ (187,000,000)	$ (14,900,000)	$ (16,100,000)	$ (15,800,000)	$ (1,100,000)	$ (14,600,000)	$ (78,900,000)	$ 7,600,000	(233,800,000)	[1]	(87,000,000)	[1]	105,800,000	[1]
Property, Plant and Equipment [Abstract]
Depreciation										91,400,000		127,300,000		85,000,000
Impairment of long-lived assets to be disposed of										$ (56,500,000)		(1,400,000)		(3,600,000)
Number of reporting units | reporting_unit										4
Goodwill and Intangible Assets [Abstract]
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)										$ 0		0		0
Asset impairment charges										9,700,000		4,300,000		3,600,000
Revenue Recognition [Abstract]
Sales discounts										9,900,000		14,300,000		8,300,000
Returns and allowances										7,200,000		10,300,000		11,200,000
Noncash Investing and Financing Items [Abstract]
Purchases of property and equipment included in accounts payable										3,700,000		10,800,000		9,400,000
Capital lease obligation				$ 13,600,000		7,000,000						7,000,000
Noncash capitalized patent defense costs		$ 0				$ 500,000				$ 0		500,000		3,800,000
Vehicles
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life										3 years
Minimum
Property, Plant and Equipment [Abstract]
Percentage of fair value in excess of carrying amount		20.00%								20.00%
Goodwill and Intangible Assets [Abstract]
Finite-lived intangible asset, useful life										5 years
Minimum | Buildings and improvements
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life										5 years
Minimum | Machinery and equipment
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life										1 year 6 months
Minimum | Furniture and fixtures
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life										3 years
Minimum | Software and software development costs
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life										3 years
Maximum
Goodwill and Intangible Assets [Abstract]
Finite-lived intangible asset, useful life										15 years
Maximum | Buildings and improvements
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life										31 years 6 months
Maximum | Machinery and equipment
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life										7 years
Maximum | Furniture and fixtures
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life										7 years
Maximum | Software and software development costs
Property, Plant and Equipment [Abstract]
Property, plant and equipment, useful life										7 years
Patents
Goodwill and Intangible Assets [Abstract]
Capitalized patent defense costs										$ 500,000		12,700,000		$ 11,400,000
Patents | Minimum
Goodwill and Intangible Assets [Abstract]
Finite-lived intangible asset, useful life										7 years
Patents | Maximum
Goodwill and Intangible Assets [Abstract]
Finite-lived intangible asset, useful life										10 years
Adjustment | Incentive compensation accrual, before tax
Revision of Prior Period Financial Statements [Abstract]
Income (loss) from continuing operations before income taxes									700,000
Net (loss) earnings									$ 700,000
Adjustment | Tax expense due on royalty income
Revision of Prior Period Financial Statements [Abstract]
Net (loss) earnings												(4,000,000)
Vienna, Austria | Manufacturing facility
Property, Plant and Equipment [Abstract]
Accelerated depreciation												18,300,000
Beijing, China | Manufacturing facility
Property, Plant and Equipment [Abstract]
Accelerated depreciation												$ 19,600,000
Mobile Consumer Electronics | Speaker and Receiver Product Line
Goodwill and Intangible Assets [Abstract]
Asset impairment charges										$ 191,500,000
[1] Years Ended December 31, 2015 2014 2013Revenue: Mobile Consumer Electronics$656.7 $684.1 $777.2Specialty Components427.9 457.2 437.7Intra-segment eliminations— — (0.1)Total consolidated revenue$1,084.6 $1,141.3 $1,214.8 (Loss) earnings before interest and income taxes: Mobile Consumer Electronics$(240.8) $(74.6) $122.0Specialty Components61.0 69.5 65.0Total segments(179.8) (5.1) 187.0Corporate expense / other56.4 43.4 43.5Interest expense, net12.7 6.6 42.0(Loss) earnings before income taxes(248.9) (55.1) 101.5(Benefit from) provision for income taxes(15.1) 31.9 (4.3)Net (loss) earnings$(233.8) $(87.0) $105.8 Depreciation and amortization: Mobile Consumer Electronics$107.9 $143.0 $100.3Specialty Components25.1 24.8 28.8Corporate2.7 2.1 1.8Total$135.7 $169.9 $130.9 Capital expenditures: Mobile Consumer Electronics$43.5 $71.0 $66.4Specialty Components19.9 16.6 21.7Corporate5.6 4.7 3.2Total$69.0 $92.3 $91.3 Research and development: Mobile Consumer Electronics$83.9 $55.1 $53.5Specialty Components28.2 27.9 29.1Total$112.1 $83.0 $82.6

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