Consolidated Statement of Shareholders’ Equity - 3 months ended Nov. 18, 2020 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Treasury	Paid-In Capital	Retained Earnings
Beginning balance (in shares) at Aug. 26, 2020		31,124
Treasury stock, shares, beginning balance (in shares) at Aug. 26, 2020			(500)
Beginning Balance at Aug. 26, 2020	$ 73,599	$ 9,960	$ (4,775)	$ 35,655	$ 32,759
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss for the period	(3,019)				(3,019)
Common stock issued under employee benefit plans (in shares)		4
Common stock issued under employee benefit plans	0	$ 1		(1)
Share-based compensation expense (in shares)		51
Share-based compensation expense	183	$ 16		167
Ending balance (in shares) at Nov. 18, 2020		31,179
Treasury stock, shares, ending balance (in shares) at Nov. 18, 2020			(500)
Ending Balance at Nov. 18, 2020	$ 70,763	$ 9,977	$ (4,775)	$ 35,821	$ 29,740