Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	May 28, 2021	May 29, 2020	May 28, 2021	May 29, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ (6,654)	$ 825	$ 1,217	$ (8,671)
Other comprehensive income (loss):
Foreign currency translation	2,572	(35,752)	(3,018)	(56,768)
Comprehensive loss	(4,082)	(34,927)	(1,801)	(65,439)
Comprehensive income attributable to noncontrolling interest	557		557
Comprehensive loss attributable to SGH	$ (4,639)	$ (34,927)	$ (2,358)	$ (65,439)