Discontinued Operation (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 01, 2012
Discontinued Operation
Proceeds from property sale deposited in escrow account	$ 6,931
Manchester, Connecticut warehouse
Discontinued Operation
Selling expenses paid out of the proceeds	438
Selling expenses paid separately	25
Proceeds from sale of real estate assets	15,537
Pretax gain included in results for discontinued operation	2,886
Proceeds from property sale deposited in escrow account	15,562
Income statement disclosure
Pretax operating profit	221
Rental revenue	$ 273

Represents the selling expenses paid from the sales proceeds in connection with the sale of a discontinued operation.

No definition available.

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- Definition

Represents the selling expenses paid separately (in addition to expense paid from net proceeds) in connection with the sale of a discontinued operation.

+ References

No definition available.

+ Details

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- Definition

Represents the proceeds from property sales deposited in escrow during the reporting period.

+ References

No definition available.

+ Details

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- Definition

Amount of operating income or loss attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 205

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760

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- Definition

Amount of rental income attributable to the disposal group, including a component of the entity (discontinued operation).

+ References

No definition available.

+ Details

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- Definition

Amount of difference between the carrying amount and the sales price of real estate properties sold as part of discontinued operations.

+ References

No definition available.

+ Details

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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 15, 16

-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.

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