Loss On Disposal Of Subsidiaries (Details) (USD $)	3 Months Ended		12 Months Ended		3 Months Ended		12 Months Ended
	Feb. 28, 2011	Aug. 31, 2010	Aug. 31, 2011	Aug. 31, 2010	Nov. 30, 2009 Jabil Circuit Automotive [Member]	Aug. 31, 2010 French And Italian Subsidiaries [Member]	Aug. 31, 2010 French And Italian Subsidiaries [Member]
Working capital loan record charge	$ 18,500,000					$ 6,500,000
Additional charges						28,500,000
Loss on disposition of subsidiaries			(23,944,000)	(24,604,000)	15,700,000	8,900,000
Transaction-related costs during disposition					4,200,000	1,700,000
Write off of purchase price receivable	5,400,000
Net revenues of subsidiary					15,500,000		298,600,000
Operating loss					1,400,000		39,600,000
Divested operations, number of sites						4	4
Divested operations, employees						1,500	1,500
Aggregate working capital loan to disposed operations		25,000,000
Aggregate potential reimbursement in restructuring costs		$ 10,000,000
Basis points		500
Repayment period, months		44