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Derivatives Derivative effects on OCI (Tables) | 12 Months Ended
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Aug. 31, 2015
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block] | The following table presents the pretax gains (losses) recorded in other comprehensive income relating to cash flow hedges for the years ended August 31, 2015, 2014, and 2013:
|  | 2015 |  | 2014 |  | 2013
|  | (Dollars in thousands)
Interest rate derivatives |  | $ | (4,078 | ) |  | $ | (10,580 | ) |  | $ | 24,135 |
The following table presents the pretax gains (losses) relating to cash flow hedges that were reclassified from accumulated other comprehensive loss into income for the years ended August 31, 2015, 2014, and 2013:
| Location of Gain (Loss) |  | 2015 |  | 2014 |  | 2013
|  |  | (Dollars in thousands)
Interest rate derivatives | Interest expense, net |  | $ | (792 | ) |  | $ | 12,727 |  |  | $ | (907 | )

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- Definition Tabular disclosure of the effective portion of the gains and losses on derivative instruments designated (and non-derivative instruments) designated and qualifying in cash flow hedges and net investment hedges that was recognized in other comprehensive income (loss) during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 + Details
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