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Fair Value Measurements Fair Value Measurements (Details) (USD $) | 6 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2013 | Mar. 25, 2012 | Mar. 31, 2013 Fair Value, Inputs, Level 3 [Member] | Mar. 25, 2012 Fair Value, Inputs, Level 3 [Member] | Feb. 18, 2009 Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |  |
Gain on Sale of Investments | $ 7,093,000 | $ 0 |  |  |
Obligations, Fair Value Disclosure |  |  | $ 300,000 | $ 300,000 | $ 2,300,000

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- Definition This element represents a certain statement of financial position liability caption which represents a class of liabilities, or which may include an individual liability, measured at fair value on a recurring basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 157 -Paragraph 32 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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- Definition The difference between the carrying value and the sale price of an investment. A gain would be recognized when the sale price of the investment is greater than the carrying value of the investment. This element refers to the Gain included in earnings and not to the cash proceeds of the sale. + References No definition available. + Details
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