Organization, Basis of Presentation, and Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended											6 Months Ended			9 Months Ended		12 Months Ended
	May 28, 2023	Feb. 26, 2023	Nov. 27, 2022	Aug. 28, 2022	May 29, 2022	Feb. 27, 2022	Nov. 28, 2021	Aug. 29, 2021	Feb. 28, 2021	Nov. 29, 2020	Aug. 30, 2020	Nov. 27, 2022	Nov. 28, 2021	Nov. 29, 2020	Feb. 26, 2023	Feb. 27, 2022	May 28, 2023	May 29, 2022	May 30, 2021
Segment Reporting Information [Line Items]
Product sales	$ 31,145	$ 26,536	$ 21,864	$ 23,724	$ 28,107	$ 35,232	$ 25,601	$ 22,330	$ 27,807	$ 23,792	$ 22,675	$ 45,587					$ 103,269	$ 111,270	$ 100,874
Transferred over time
Segment Reporting Information [Line Items]
Product sales																	28,600	35,800	28,200
Transferred at point in time
Segment Reporting Information [Line Items]
Product sales																	74,600	73,600	70,300
Contract development and manufacturing organization
Segment Reporting Information [Line Items]
Product sales		18,015	16,205	18,268		24,801	21,401	17,789	18,770	18,283	16,716	34,473	$ 39,190	$ 34,999	$ 52,488	$ 63,991	76,378	86,353	75,789
Fermentation
Segment Reporting Information [Line Items]
Product sales		8,521	5,659	5,456		10,009	3,583	4,163	8,597	4,960	5,316	11,114	7,746	10,277	19,635	17,756	26,891	23,007	22,790
Other
Segment Reporting Information [Line Items]
Product sales		$ 0	$ 0	$ 0		$ 422	$ 617	$ 378	$ 440	$ 549	$ 643	$ 0	$ 995	$ 1,192	$ 0	$ 1,417	$ 0	$ 1,910	$ 2,295