CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ 56,779	$ 289,474	$ 87,541
Other comprehensive (loss) income:
Change in foreign currency translation	(22,297)	(21,729)	(50,151)
Change in derivative instruments:
Change in fair value of derivatives	(6,004)
Change in fair value of derivatives		(67,773)	1,225
Adjustment for net losses (gains) realized and included in net income	14,406
Adjustment for net losses (gains) realized and included in net income		20,259	(23,076)
Total change in derivative instruments	8,402
Total change in derivative instruments		(47,514)	(21,851)
Change in available for sale securities:
Unrealized (loss) gain on available for sale securities	(35,963)	(24,508)	(8,679)
Adjustment for net losses realized and included in net income	36,420	33,333	0
Total change in available for sale securities	457	8,825	(8,679)
Actuarial gain (loss)	62,126	(3,012)	8,194
Prior service (cost) credit	(62)	35	(1,532)
Total other comprehensive income (loss)	48,626	(63,395)	(74,019)
Comprehensive income	105,405	226,079	13,522
Comprehensive income attributable to noncontrolling interests	2,867	2,363	1,211
Comprehensive income attributable to Jabil Inc.	$ 102,538	$ 223,716	$ 12,311