Organization, Basis of Presentation, and Summary of Significant Accounting Policies - Diluted Net (Loss) Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended			9 Months Ended	12 Months Ended
	Feb. 27, 2022	Nov. 28, 2021	Aug. 29, 2021	Feb. 27, 2022	May 29, 2022	May 30, 2021	May 31, 2020
Net Income (Loss) Attributable to Parent [Abstract]
Net loss	$ (13,086)	$ (38,521)	$ (9,509)		$ (114,679)	$ (32,665)	$ (38,191)
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted average shares for basic net loss per share (in shares)					29,466	29,294	29,162
Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract]
Stock options and restricted stock units (in shares)					0	0	0
Weighted average shares for diluted net loss per share (in shares)	29,482			29,459	29,466	29,294	29,162
Diluted net loss per share (in dollars per share)	$ (0.44)			$ (2.09)	$ (3.90)	$ (1.12)	$ (1.31)