Basis Of Presentation (Details)	3 Months Ended
Nov. 30, 2013 item
Basis Of Presentation [Abstract]
Number of regional offices	4
Number of countries in which entity operates	140

The number of countries in which the entity operates as of balance sheet date.

No definition available.

Name:	us-gaap_NumberOfCountriesInWhichEntityOperates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant