Acquisitions (Acquisition Of The CMOS Image Sensor Business Unit From Cypress Semiconductor) (Details) (Acquisition of the CMOS Image Sensor Business Unit from Cypress Semiconductor, USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2012	Feb. 27, 2011
Ownership percentage			100.00%
Total business acquisition cost			$ 34.1
Purchase Price Allocation of CMOS Image Sensor Business Unit [Abstract]
Intangible assets			11.2
In-process research and development			11.2
Acquired intangible assets			22.4
Discount rate used for present value calculations			17.50%
Weighted average useful life, years	6 years 1 month 6 days
Allocation of purchase price to non-deductible goodwill		7.5	7.5
Allocation of purchase price to tax-deductible goodwill		0
Customer relationships
Purchase Price Allocation of CMOS Image Sensor Business Unit [Abstract]
Intangible assets			4.2
Weighted average useful life, years	6 years
Developed technology
Purchase Price Allocation of CMOS Image Sensor Business Unit [Abstract]
Intangible assets			6.2
Weighted average useful life, years	7 years
Backlog
Purchase Price Allocation of CMOS Image Sensor Business Unit [Abstract]
Intangible assets			0.8
Weighted average useful life, years	3 months 18 days
Purchase price adjustments
Purchase Price Allocation of CMOS Image Sensor Business Unit [Abstract]
Cash and cash equivalents			1.5
Receivables, net			2.6
Inventories			9.2
Other current assets			0.4
Property, plant and equipment			1.2
Goodwill			7.5
Intangible assets			11.2
In-process research and development			11.2
Total assets acquired			44.8
Accounts payable			(5.6)
Other current liabilities			(3.7)
Other non-current liabilities			(1.4)
Total liabilities assumed			(10.7)
Net assets acquired			$ 34.1