Employee Stock Plans (Stock Options) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Jan. 29, 2012	Jan. 30, 2011	Jan. 31, 2010
Share-Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares beginning balance	44,467	49,309	52,014
Granted	3,236	3,723	4,174
Exercised	(6,938)	(1,294)	(374)
Canceled	(7,595)	(7,271)	(6,505)
Number of shares ending balance	33,170	44,467	49,309
Weighted average exercise price beginning balance	$ 35.56	$ 36.81	$ 37.91
Weighted average exercise price granted	$ 36.55	$ 32.24	$ 23.29
Weighted average exercise price exercised	$ 33.25	$ 26.63	$ 24.50
Weighted average exercise price canceled	$ 39.11	$ 43.95	$ 37.65
Weighted average exercise price ending balance	$ 35.32	$ 35.56	$ 36.81

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The weighted average price at which option holders acquired shares when converting their stock options into shares under the plan during the reporting period.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

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- Definition

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

+ References

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- Definition

The combined weighted average exercise price associated with stock options during the period that have either lapsed or been forfeited.

+ References

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

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- Definition

The weighted average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on stock options awarded under the plan during the reporting period.

+ References

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(d)

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- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

+ References

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The weighted average price as of the beginning of the year at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Number of share options (or share units) exercised during the current period.

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