Income Taxes (Summary Of Income Tax Examinations Years) (Details)	3 Months Ended
	Dec. 31, 2011
United States [Member]
Income tax years subject to examination	2003, 2008 through 2011
Germany [Member]
Income tax years subject to examination	2007 through 2011
France [Member]
Income tax years subject to examination	2007 through 2011
Japan [Member]
Income tax years subject to examination	2005 through 2011
Ireland [Member]
Income tax years subject to examination	2006 through 2011