Restructuring Costs - Schedule of Restructuring Related Activities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		18 Months Ended
	Nov. 29, 2020	Nov. 24, 2019	Nov. 29, 2020	Nov. 24, 2019	Nov. 29, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 1,662	$ 0	$ 10,066	$ 0	$ 27,351
Asset write-off costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		6,005		19,085
Employee severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	211		1,115		3,368
Lease costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		0		418
Other restructuring costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1,451		2,946		4,480
Curation Foods
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1,506		9,263		24,809
Curation Foods | Asset write-off costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		6,005		18,667
Curation Foods | Employee severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	211		1,115		2,584
Curation Foods | Lease costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		0		392
Curation Foods | Other restructuring costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	1,295		2,143		3,166
Lifecore
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		0		0
Lifecore | Asset write-off costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		0		0
Lifecore | Employee severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		0		0
Lifecore | Lease costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		0		0
Lifecore | Other restructuring costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		0		0
Other
Restructuring Cost and Reserve [Line Items]
Restructuring costs	156		803		2,542
Other | Asset write-off costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		0		418
Other | Employee severance and benefit costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		0		784
Other | Lease costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	0		0		26
Other | Other restructuring costs
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 156		$ 803		$ 1,314