Income Taxes (Tax Years That Remain Subject To Examinations For Major Tax Jurisdictions) (Details)	12 Months Ended
	Aug. 31, 2014
Canada [Member] | Minimum [Member]
Income Taxes [Line Items]
Tax years that remain subject to examinations	2007
Canada [Member] | Maximum [Member]
Income Taxes [Line Items]
Tax years that remain subject to examinations	2014
Australia [Member] | Minimum [Member]
Income Taxes [Line Items]
Tax years that remain subject to examinations	2007
Australia [Member] | Maximum [Member]
Income Taxes [Line Items]
Tax years that remain subject to examinations	2014
Japan, United Kingdom [Member] | Minimum [Member]
Income Taxes [Line Items]
Tax years that remain subject to examinations	2009
Japan, United Kingdom [Member] | Maximum [Member]
Income Taxes [Line Items]
Tax years that remain subject to examinations	2014
United States - State And Local Income Tax [Member] | Minimum [Member]
Income Taxes [Line Items]
Tax years that remain subject to examinations	2010
United States - State And Local Income Tax [Member] | Maximum [Member]
Income Taxes [Line Items]
Tax years that remain subject to examinations	2014
United States - Federal Income Tax [Member] | Minimum [Member]
Income Taxes [Line Items]
Tax years that remain subject to examinations	2011
United States - Federal Income Tax [Member] | Maximum [Member]
Income Taxes [Line Items]
Tax years that remain subject to examinations	2014