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Consolidated Statements Of Comprehensive Income (Loss) And Stockholders' Equity (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Consolidated Statements Of Comprehensive Income (Loss) And Stockholders' Equity [Abstract]
Unrecognized net pension loss, tax	$ 503	$ 489	$ 186
Unrealized gain (loss) on marketable securities, tax			$ 600

Tax effect on the accumulated change in the value of either the projected benefit obligation or plan assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost.

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- Definition

Tax effect on gross appreciation or the gross loss in value of the total of unsold securities during the period being reported on.

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