Goodwill and Other Intangible Assets (Schedule of Intangible Assets) (Details) (USD $)					3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 HomeLink®	Mar. 31, 2014 HomeLink® Homelink Technology	Mar. 31, 2014 HomeLink® Homelink Technology Minimum	Mar. 31, 2014 HomeLink® Existing Customer Platforms	Mar. 31, 2014 HomeLink® HomeLink Trade Names and Trademarks	Mar. 31, 2014 HomeLink® Exclusive Licensing Agreement
Schedule of Finite-Lived and Indefinite-Lived Intangible Assets [Line Items]
Indefinite-lived intangible assets							$ 52,000,000	$ 96,000,000
Finite-lived intangible assets, gross				180,000,000		43,000,000
Finite-lived intangible assets, accumulated amortization			(9,650,000)	(7,500,000)		(2,150,000)
Finite-lived intangible assets, net				172,500,000		40,850,000
Intangible assets, gross			371,000,000
Intangible assets, net	$ 361,350,000	$ 366,175,000	$ 361,350,000
Finite-lived intangible asset, useful life					12 years 0 days	10 years