XML 12 R25.htm IDEA: XBRL DOCUMENT v2.4.0.6

Fair Value Measurements (Tables)

3 Months Ended

12 Months Ended

Nov. 30, 2011

Nov. 30, 2010

Aug. 31, 2010

Fair Value Measurements[Abstract]

Schedule Of Financial Assets And Liabilities Measured At Fair Value

			September 30,				September 30,				September 30,				September 30,
$ in thousands		Level 1				Level 2				Level 3				Total
Cash and cash equivalents		$	108,731			$	—			$	—			$	108,731
Derivative assets			—				282				—				282
Derivative liabilities			—				(311	)			—				(311	)

			September 30,				September 30,				September 30,				September 30,
$ in thousands		Level 1				Level 2				Level 3				Total
Cash and cash equivalents		$	80,535			$	—			$	—			$	80,535
Derivative assets			—				7				—				7
Derivative liabilities			—				(803	)			—				(803	)

			September 30,				September 30,				September 30,				September 30,
$ in thousands		Level 1				Level 2				Level 3				Total
Cash and cash equivalents		$	108,167			$	—			$	—			$	108,167
Derivative assets			—				—				—				—
Derivative liabilities			—				(634	)			—				(634	)

X

- Details

Name:	us-gaap_FairValueDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3).

+ References

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

-Topic 820

-SubTopic 10

-Publisher FASB

-Number

-Article

-Subparagraph

-Name Accounting Standards Codification

-Paragraph 1

-Section 50

-URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19190-110258

+ Details

Name:	us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration