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3. Property, Plant and Equipment (Detail) - Property, Plant and Equipment (USD $)					3 Months Ended				3 Months Ended				3 Months Ended			3 Months Ended			3 Months Ended				3 Months Ended
	May 05, 2013	Feb. 03, 2013	May 05, 2013 Computer Software and Hardware [Member]	Feb. 03, 2013 Computer Software and Hardware [Member]	May 05, 2013 Computer Software and Hardware [Member] Minimum [Member]	May 05, 2013 Computer Software and Hardware [Member] Maximum [Member]	May 05, 2013 Building and Building Improvements [Member]	Feb. 03, 2013 Building and Building Improvements [Member]	May 05, 2013 Building and Building Improvements [Member] Minimum [Member]	May 05, 2013 Building and Building Improvements [Member] Maximum [Member]	May 05, 2013 Machinery and Equipment [Member]	Feb. 03, 2013 Machinery and Equipment [Member]	May 05, 2013 Machinery and Equipment [Member] Maximum [Member]	May 05, 2013 Leasehold Improvements [Member]	Feb. 03, 2013 Leasehold Improvements [Member]	May 05, 2013 Leasehold Improvements [Member] Maximum [Member]	May 05, 2013 Furniture and Fixtures [Member]	Feb. 03, 2013 Furniture and Fixtures [Member]	May 05, 2013 Furniture and Fixtures [Member] Minimum [Member]	May 05, 2013 Furniture and Fixtures [Member] Maximum [Member]	May 05, 2013 Property, Plant and Equipment, Other Types [Member]	Feb. 03, 2013 Property, Plant and Equipment, Other Types [Member]	May 05, 2013 Property, Plant and Equipment, Other Types [Member] Maximum [Member]
Depreciable Lives (In years)					3 years	10 years			15 years	30 years			10 years			5 years			3 years	8 years			5 years
Depreciable property at cost	$ 55,148,000	$ 54,936,000	$ 22,259,000	$ 22,203,000			$ 23,687,000	$ 23,680,000			$ 3,717,000	$ 3,663,000		$ 2,783,000	$ 2,697,000		$ 1,999,000	$ 1,989,000			$ 703,000	$ 703,000
Less accumulated depreciation	35,066,000	34,559,000
Total depreciable property, net	20,082,000	20,377,000
Land	1,152,000	1,152,000
Construction-in-progress	1,891,000	1,300,000
Property, plant and equipment, net	$ 23,125,000	$ 22,829,000

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.14)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 14

-Article 5

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X

- Definition

Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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X

- Definition

Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

-Paragraph 4

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6812-107765



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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X

- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229



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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 8

-Article 7



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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229



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-Publisher FASB

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-Subparagraph (SX 210.5-02.13)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682



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-Name Regulation S-X (SX)

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- Definition

The net amount of capitalized assets classified as property, plant and equipment not otherwise defined in the taxonomy.

+ References

No definition available.

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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