Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
Changes in unrealized holding gains or losses on available-for-sale securities
Unrealized holding gains or losses	$ (1,019)	$ 270	$ (906)	$ (34)
Reclassification of unrealized holding gains or losses to other income, net	2	(7,979)	(115)	(8,044)
Changes in unrealized holding gains or losses	$ (1,017)	$ (7,709)	$ (1,021)	$ (8,078)

Net of tax amount of the income statement impact of the reclassification adjustment for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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+ Details

- Definition

Before tax and reclassification adjustments amount of unrealized holding gain (loss) and transfers on available-for-sale securities.

+ References

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+ Details