Summary of Amounts Reclassified Out of Accumulated Other Comprehensive Income (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 28, 2014	Feb. 28, 2013
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net revenue	$ 3,577,315	$ 4,166,355	$ 7,918,271	$ 8,536,236
Cost of revenue	(3,364,165)	(3,877,833)	(7,371,567)	(7,936,795)
Selling, general and administrative	(164,522)	(145,622)	(306,707)	(294,238)
Income from discontinued operations, net of tax	(6,251)	12,797	10,172	27,705
Interest expense	(31,858)	(29,168)	(65,163)	(58,755)
Net income attributable to Jabil Circuit, Inc.	(38,667)	88,533	79,255	194,380
Amounts Reclassified from AOCI
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income attributable to Jabil Circuit, Inc.	(1,510)		(3,570)
Amounts Reclassified from AOCI | Forward foreign exchange contracts
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net revenue	(737)		(2,999)
Cost of revenue	527		2,123
Selling, general and administrative	(153)		(255)
Income from discontinued operations, net of tax	(182)		(486)
Amounts Reclassified from AOCI | Interest rate swap
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ (965)		$ (1,953)