Stockholders' Equity (Details 2) (Stock options)	3 Months Ended
Mar. 02, 2013 item
Other Disclosures
Number of option holders	18
Stock options that may be exercised as stock appreciation rights	0
2009 Stock Option Plan
Griffin Stock Option Plan
Expiration term	10 years

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

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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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-Section 04

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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