Correction of Error in Previously Reported Fiscal Year 2022 Interim Financial Statements (Unaudited) - Cash Flow (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Feb. 27, 2022	Feb. 27, 2022	May 29, 2022	May 30, 2021	May 31, 2020
Cash flows from operating activities:
Net loss	$ (13,086)	$ (61,116)	$ (114,679)	$ (32,665)	$ (38,191)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Impairment of goodwill and long-lived and indefinite-lived assets		32,057	78,146	0	12,953
Depreciation, amortization of intangibles, debt costs and right-of-use assets		14,488	17,884	19,867	18,838
Loss on disposal of property and equipment related to restructuring, net		5,185	5,185	10,143	14,802
Deferred taxes		(5,471)	(6,990)	(7,893)	(5,440)
Loss on sale of Eat Smart		(235)	336	0	0
Stock-based compensation expense		1,928	2,608	3,360	2,419
Net loss on disposal of property and equipment held and used		25	152	61	143
Provision (benefit) for expected credit losses		(14)	(14)	418	(284)
Other, net		551	(426)	(74)	195
Changes in current assets and current liabilities:
Accounts receivable, net		(7,525)	(6,138)	5,775	(6,357)
Inventory		(11,910)	(5,960)	(3,352)	(12,179)
Prepaid expenses and other current assets		(1,448)	(602)	7,941	(6,815)
Accounts payable		13,507	9,343	(5,982)	(1,249)
Accrued compensation		(2,027)	(2,546)	3,270	(1,894)
Other accrued liabilities		(70)	(680)	460	1,263
Deferred revenue		662	(18)	778	(147)
Net cash (used in) provided by operating activities		(22,045)	(24,399)	15,017	(17,041)
Cash flows from investing activities:
Proceeds from the Sale of Eat Smart		73,500	73,500	0	0
Proceeds from sale of investment in non-public company		45,100	45,100	0	0
Purchases of property and equipment		18,539	(28,134)	(23,769)	(26,686)
Proceeds from sales of property and equipment		1,096	1,141	12,913	2,434
Eat Smart sale net working capital adjustment and cash sale expenses		2,390	(9,839)	0	0
Net cash provided by (used in) investing activities		98,767	81,768	(10,856)	(23,888)
Net cash (used in) provided by financing activities		(76,163)	(57,021)	(3,419)	40,017
Net increase (decrease) in cash, cash equivalents and restricted cash		559	348	742	(912)
Cash, cash equivalents and restricted cash, beginning of period		1,295	1,295	553	1,465
Cash, cash equivalents and restricted cash, end of period	1,854	1,854	1,643	1,295	$ 553
As reported
Cash flows from operating activities:
Net loss	(12,850)	(60,768)	(97,431)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Impairment of goodwill and long-lived and indefinite-lived assets		32,057	60,792
Depreciation, amortization of intangibles, debt costs and right-of-use assets		14,488
Loss on disposal of property and equipment related to restructuring, net		5,185
Deferred taxes		(5,471)	(6,884)
Loss on sale of Eat Smart		(4,354)
Stock-based compensation expense		1,928
Net loss on disposal of property and equipment held and used		25
Provision (benefit) for expected credit losses		(14)
Other, net		551
Changes in current assets and current liabilities:
Accounts receivable, net		(7,525)
Inventory		(11,910)
Prepaid expenses and other current assets		(1,448)
Accounts payable		13,055
Accrued compensation		(3,849)
Other accrued liabilities		(4,195)
Deferred revenue		204
Net cash (used in) provided by operating activities		(24,435)	(24,399)
Cash flows from investing activities:
Proceeds from the Sale of Eat Smart		73,500
Proceeds from sale of investment in non-public company		45,100
Purchases of property and equipment		18,539
Proceeds from sales of property and equipment		1,096
Eat Smart sale net working capital adjustment and cash sale expenses		0
Net cash provided by (used in) investing activities		101,157
Net cash (used in) provided by financing activities		(76,163)
Net increase (decrease) in cash, cash equivalents and restricted cash		559
Cash, cash equivalents and restricted cash, beginning of period		1,295	1,295
Cash, cash equivalents and restricted cash, end of period	1,854	1,854		1,295
Adjustment
Cash flows from operating activities:
Net loss	(236)	(348)	(17,248)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Impairment of goodwill and long-lived and indefinite-lived assets		0	17,354
Depreciation, amortization of intangibles, debt costs and right-of-use assets		0
Loss on disposal of property and equipment related to restructuring, net		0
Deferred taxes		0	(106)
Loss on sale of Eat Smart		4,119
Stock-based compensation expense		0
Net loss on disposal of property and equipment held and used		0
Provision (benefit) for expected credit losses		0
Other, net		0
Changes in current assets and current liabilities:
Accounts receivable, net		0
Inventory		0
Prepaid expenses and other current assets		0
Accounts payable		452
Accrued compensation		1,822
Other accrued liabilities		4,125
Deferred revenue		458
Net cash (used in) provided by operating activities		2,390	0
Cash flows from investing activities:
Proceeds from the Sale of Eat Smart		0
Proceeds from sale of investment in non-public company		0
Purchases of property and equipment		0
Proceeds from sales of property and equipment		0
Eat Smart sale net working capital adjustment and cash sale expenses		2,390
Net cash provided by (used in) investing activities		(2,390)
Net cash (used in) provided by financing activities		0
Net increase (decrease) in cash, cash equivalents and restricted cash		0
Cash, cash equivalents and restricted cash, beginning of period		0	$ 0
Cash, cash equivalents and restricted cash, end of period	$ 0	$ 0		$ 0