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Retirement Plan | 3 Months Ended
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May 31, 2012
Retirement Plan [Abstract] |
Retirement Plan | (11) Retirement Plan The Company has a supplemental non‑qualified, unfunded retirement plan for six former employees. Components of net periodic benefit cost for the Company's supplemental retirement plan are classified as general and administrative expenses and include:
|  | Three months ended |  | Nine months ended
|  | May 31, |  | May 31,
$ in thousands |  | 2012 |  | 2011 |  | 2012 |  | 2011
Net periodic benefit cost: |  |  |  |  |  |  |  |  |  |  |  |
Interest cost |  | $ | 81 |  | $ | 84 |  | $ | 243 |  | $ | 251
Net amortization and deferral |  |  | 42 |  |  | 41 |  |  | 126 |  |  | 123
Total net periodic benefit cost |  | $ | 123 |  | $ | 125 |  | $ | 369 |  | $ | 374

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 158 -Paragraph 7, 21, 22 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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-Publisher FASB -Name FASB Staff Position (FSP) -Number FAS106-2 -Paragraph 20, 21, 22 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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