Condensed Consolidated Statements Of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Feb. 29, 2012	Feb. 28, 2011	Feb. 29, 2012	Feb. 28, 2011
Condensed Consolidated Statements Of Operations [Abstract]
Net revenue	$ 4,236,174	$ 3,928,663	$ 8,562,943	$ 8,010,844
Cost of revenue	3,914,010	3,632,263	7,900,769	7,403,853
Gross profit	322,164	296,400	662,174	606,991
Operating expenses:
Selling, general and administrative	160,811	141,807	318,634	284,256
Research and development	6,264	6,540	12,535	12,281
Amortization of intangibles	4,871	5,665	9,945	11,634
Restructuring and impairment charges		196		628
Settlement of receivables and related charges		13,607		13,607
Loss on disposal of subsidiaries		23,944		23,944
Operating income	150,218	104,641	321,060	260,641
Other expense	1,919	847	4,604	647
Interest income	(288)	(739)	(846)	(1,589)
Interest expense	26,322	25,777	51,841	47,939
Income before income tax	122,265	78,756	265,461	213,644
Income tax expense	24,020	23,038	53,435	50,515
Net income	98,245	55,718	212,026	163,129
Net income attributable to noncontrolling interests, net of income tax expense	547	315	1,456	1,049
Net income attributable to Jabil Circuit, Inc.	$ 97,698	$ 55,403	$ 210,570	$ 162,080
Earnings per share attributable to the stockholders of Jabil Circuit, Inc.:
Income attributable to the stockholders of Jabil Circuit, Inc: Basic	$ 0.47	$ 0.26	$ 1.02	$ 0.75
Income attributable to the stockholders of Jabil Circuit, Inc: Diluted	$ 0.46	$ 0.25	$ 1.00	$ 0.74
Weighted average shares outstanding:
Basic	207,287	215,170	206,337	214,781
Diluted	212,148	221,022	211,410	219,469
Cash dividends declared per common share	$ 0.08	$ 0.07	$ 0.16	$ 0.14