Correction of Error in Previously Reported Fiscal Year 2022 Interim Financial Statements (Unaudited) - Business Segments (Details) - USD ($) $ in Thousands	3 Months Ended								9 Months Ended	12 Months Ended
	May 29, 2022	Feb. 27, 2022	Nov. 28, 2021	Aug. 29, 2021	May 30, 2021	Feb. 28, 2021	Nov. 29, 2020	Aug. 30, 2020	Feb. 27, 2022	May 29, 2022	May 30, 2021	May 31, 2020
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit	$ 12,112	$ 13,220	$ 14,635	$ 10,403	$ 14,580	$ 14,441	$ 13,601	$ 7,849	$ 38,258	$ 50,370	$ 50,471	$ 39,387
Net (loss) income from continuing operations	(51,684)	(8,301)	3,675	(7,214)	(780)	(1,465)	(2,367)	(4,957)	(11,840)	(63,524)	(9,569)	(21,871)
Loss from discontinued operations, net of tax	(1,879)	(4,785)	$ (42,196)	$ (2,295)	$ (2,085)	$ (4,033)	$ (10,934)	$ (6,044)	(49,276)	(51,155)	(23,096)	(16,320)
As reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit		13,895							39,045	50,370
Net (loss) income from continuing operations	$ (34,436)	(7,106)							(10,510)	(46,276)
Loss from discontinued operations, net of tax		(5,744)							(50,258)	(51,155)
Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit		(675)							(787)	0
Net (loss) income from continuing operations		(1,195)							(1,330)	(17,248)
Loss from discontinued operations, net of tax		959							982	0
Lifecore
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit		12,905							30,384	43,746	38,265	32,883
Net (loss) income from continuing operations		5,054							11,317	16,675	14,461	11,749
Loss from discontinued operations, net of tax		0							0	0	0	0
Lifecore | As reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit		12,905							30,384
Net (loss) income from continuing operations		5,054							11,317	16,675
Loss from discontinued operations, net of tax		0							0
Lifecore | Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit		0							0
Net (loss) income from continuing operations		0							0	0
Loss from discontinued operations, net of tax		0							0
Curation Foods
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit		315							7,874	6,624	12,206	6,504
Net (loss) income from continuing operations		(7,043)							4,183	(47,783)	(357)	(17,728)
Loss from discontinued operations, net of tax		(1,744)							(46,235)	(48,114)	(23,096)	(16,320)
Curation Foods | As reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit		990							8,661
Net (loss) income from continuing operations		(5,848)							5,513	(30,429)
Loss from discontinued operations, net of tax		(2,703)							(47,217)
Curation Foods | Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit		(675)							(787)
Net (loss) income from continuing operations		(1,195)							(1,330)	(17,354)
Loss from discontinued operations, net of tax		959							982
Other
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit		0							0	0	0	0
Net (loss) income from continuing operations		(6,312)							(27,340)	(32,416)	(23,673)	(15,892)
Loss from discontinued operations, net of tax		(3,041)							(3,041)	(3,041)	$ 0	$ 0
Other | As reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit		0							0
Net (loss) income from continuing operations		(6,312)							(27,340)	(32,522)
Loss from discontinued operations, net of tax		(3,041)							(3,041)
Other | Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Gross profit		0							0
Net (loss) income from continuing operations		0							0	$ 106
Loss from discontinued operations, net of tax		$ 0							$ 0