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Stock Based Compensation (Schedule of SARs Assumptions) (Details) - Stock Appreciation Rights (SARs) [Member] - $ / shares	3 Months Ended	12 Months Ended
	Apr. 28, 2015	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Share Based Compensation Assumptions [Line Items]
Expected dividend yield		1.10%	1.00%	1.00%
Expected volatility		35.51%	36.05%	37.82%
Maximum life		3 years 1 month 6 days	4 years 1 month 6 days	2 years
Exercise multiple		$ 1.34	$ 1.34	$ 1.31
Maximum payout	$ 10.00	$ 10.00	$ 10.00	$ 6.67
Minimum [Member]
Share Based Compensation Assumptions [Line Items]
Risk free interest rate yield curve		0.49%	0.22%	0.01%
Employee exit rate		2.20%	2.20%	2.20%
Maximum [Member]
Share Based Compensation Assumptions [Line Items]
Risk free interest rate yield curve		1.94%	1.33%	1.18%
Employee exit rate		9.00%	9.00%	9.00%

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Employee Exit Rate

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Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Maximum Payout

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Share Based Compensation Assumptions [Line Items]

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- Definition

Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award.

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(iii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(iv)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.D.2)
-URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809

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