Fair Value Measurements (Details) (Recurring [Member], USD $) In Thousands	Jul. 31, 2010 Level 1 [Member] Designated as Hedging Instrument [Member]	Jul. 30, 2011 Level 1 [Member] Not Designated as Hedging Instrument [Member]	Jan. 29, 2011 Level 1 [Member] Not Designated as Hedging Instrument [Member]	Jul. 31, 2010 Level 2 [Member] Designated as Hedging Instrument [Member]	Jul. 30, 2011 Level 2 [Member] Not Designated as Hedging Instrument [Member]	Jan. 29, 2011 Level 2 [Member] Not Designated as Hedging Instrument [Member]	Jul. 31, 2010 Level 3 [Member] Designated as Hedging Instrument [Member]	Jul. 30, 2011 Level 3 [Member] Not Designated as Hedging Instrument [Member]	Jan. 29, 2011 Level 3 [Member] Not Designated as Hedging Instrument [Member]	Jul. 31, 2010 Designated as Hedging Instrument [Member]	Jul. 30, 2011 Not Designated as Hedging Instrument [Member]	Jan. 29, 2011 Not Designated as Hedging Instrument [Member]
Assets:
Derivative financial instruments	$ 0	$ 0	$ 0	$ 155	$ 89	$ 361	$ 0	$ 0	$ 0	$ 155	$ 89	$ 361
Liabilities:
Derivative financial instruments	$ 0	$ 0	$ 0	$ 60	$ 362	$ 35	$ 0	$ 0	$ 0	$ 60	$ 362	$ 35

Fair values as of the balance sheet date for all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments and which are expected to be converted into cash or otherwise disposed of within a year or the normal operating cycle, if longer, net of the effects of master netting arrangements.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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+ Details

- Definition

Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, and which are expected to be extinguished or otherwise disposed of within a year or the normal operating cycle, if longer, net of the effects of master netting arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FIN39-1
-Paragraph 10A, 10B
-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 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 4, 17
-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 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 43
-Chapter 3
-Section A
-Paragraph 7
-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 5: http://www.xbrl.org/2003/role/presentationRef
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Reference 7: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=6509677

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-Name Accounting Standards Codification
-Topic 825
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+ Details