Stock Based Compensation (Cash Received, The Windfall Tax Benefits, And Intrinsic Value From Stock Option Exercises) (Details) (USD $) In Thousands	9 Months Ended
Oct. 08, 2011	Oct. 09, 2010
Stock Based Compensation [Abstract]
Cash received from option exercises	$ 12,721	$ 7,609
Cash tax windfall, net	3,025	777
Intrinsic value of stock options exercised	$ 11,542	$ 4,311

The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph c(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Period Type:	duration