Note 15. Income Taxes (Detail) - Major Tax Jurisdictions in which the Company and Affiliates Operate and the Earliest Tax Year Subject To Examination	3 Months Ended
Nov. 30, 2011
Federal [Member]
U.S.
Open Tax Years	2009 through 2012
State (Various) [Member]
U.S.
Open Tax Years	2003 through 2012
France [Member]
U.S.
Open Tax Years	2010 through 2012
United Kingdom [Member]
U.S.
Open Tax Years	2008 through 2012

Identification, by major jurisdiction, of tax years that remain open to examination under enacted tax laws.

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

-Publisher FASB

-Name FASB Interpretation (FIN)

-Number 48

-Paragraph 21

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

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