Acquisitions (Unaudited Proforma Consolidated Results Of Operations) (Details) (Acquisition of SANYO Semiconductor Co., LTD [Member], USD $) In Millions, except Per Share data	3 Months Ended	9 Months Ended
Oct. 01, 2010	Oct. 01, 2010
Acquisition of SANYO Semiconductor Co., LTD [Member]
Net Revenues	$ 921.0	$ 2,663.4
Net Income	$ 66.9	$ 213.0
Net income per common share-Basic	$ 0.16	$ 0.50
Net income per common share-Diluted	$ 0.15	$ 0.48

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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