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Impairments (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Long Lived Assets Held-for-sale [Line Items]
Impairment of intangible assets, finite-lived	$ 144.7	$ 0.0	$ 0.0
Impairment of long-lived assets to be disposed of	53.4	1.4	3.6
Mobile Consumer Electronics
Long Lived Assets Held-for-sale [Line Items]
Other asset impairment charges	7.6
Specialty Components
Long Lived Assets Held-for-sale [Line Items]
Other asset impairment charges	2.1
Mobile Consumer Electronics and Specialty Components [Member]
Long Lived Assets Held-for-sale [Line Items]
Other asset impairment charges		$ 1.4	$ 3.6
Impairment of Fixed and Other Assets
Long Lived Assets Held-for-sale [Line Items]
Other asset impairment charges	53.4
Impairment of Intangible Assets
Long Lived Assets Held-for-sale [Line Items]
Impairment of intangible assets, finite-lived	144.7
Research and Development Expense
Long Lived Assets Held-for-sale [Line Items]
Other asset impairment charges	3.1
Speaker and Receiver Product Line | Mobile Consumer Electronics
Long Lived Assets Held-for-sale [Line Items]
Impairment of intangible assets, finite-lived	143.3
Impairment of long-lived assets to be disposed of	$ 48.2

X

- Definition

The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2611-110228

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-Name Accounting Standards Codification
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The charge against earnings resulting from the write down of long lived assets other than goodwill due to the difference between the carrying value and lower fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
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-Section 50
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