Restructuring Costs - Schedule of Restructuring Related Activities (Details) - USD ($) $ in Thousands	3 Months Ended		15 Months Ended
	Aug. 30, 2020	Aug. 25, 2019	Aug. 30, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 8,404	$ 0	$ 25,689
Asset write-off costs, net
Restructuring Cost and Reserve [Line Items]
Restructuring costs	6,005		19,085
Employee severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	905		3,157
Lease costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		418
Other restructuring costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1,494		3,029
Curation Foods
Restructuring Cost and Reserve [Line Items]
Restructuring costs	7,757		23,303
Curation Foods | Asset write-off costs, net
Restructuring Cost and Reserve [Line Items]
Restructuring costs	6,005		18,667
Curation Foods | Employee severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	905		2,373
Curation Foods | Lease costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		392
Curation Foods | Other restructuring costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	847		1,871
Lifecore
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		0
Lifecore | Asset write-off costs, net
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		0
Lifecore | Employee severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		0
Lifecore | Lease costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		0
Lifecore | Other restructuring costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		0
Other
Restructuring Cost and Reserve [Line Items]
Restructuring costs	647		2,386
Other | Asset write-off costs, net
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		418
Other | Employee severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		784
Other | Lease costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		26
Other | Other restructuring costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 647		$ 1,158