Other Income (Details) (Other Income [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
Nov. 30, 2014
Other Income [Member]
Gain Contingencies [Line Items]
Litigation Settlement, Amount	$ 1.4

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

No definition available.

Name:	us-gaap_LitigationSettlementAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration