Income Taxes (Schedule Of Tax Years Affecting Uncertain Tax Positions By Major Tax Jurisdictions) (Details)	6 Months Ended
	Jan. 31, 2013
Belgium [Member]
Income Tax Examination [Line Items]
Open Tax Years	2010 through 2012
China [Member]
Income Tax Examination [Line Items]
Open Tax Years	2002 through 2012
France [Member]
Income Tax Examination [Line Items]
Open Tax Years	2010 through 2012
Germany [Member]
Income Tax Examination [Line Items]
Open Tax Years	2009 through 2012
Italy [Member]
Income Tax Examination [Line Items]
Open Tax Years	2003 through 2012
Japan [Member]
Income Tax Examination [Line Items]
Open Tax Years	2009 through 2012
Mexico [Member]
Income Tax Examination [Line Items]
Open Tax Years	2007 through 2012
Thailand [Member]
Income Tax Examination [Line Items]
Open Tax Years	2005 through 2012
United Kingdom [Member]
Income Tax Examination [Line Items]
Open Tax Years	2011 through 2012
United States [Member]
Income Tax Examination [Line Items]
Open Tax Years	2011 through 2012