Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Nov. 28, 2020	Nov. 30, 2019
Operating activities:
Net income (loss)	$ (7,244)	$ (55,907)
Depreciation and amortization	29,305	27,571
Impairment loss on property, plant & equipment	0	2,919
Other adjustments, net	(32,712)	(48,855)
Net cash used in operations	(10,651)	(74,272)
Investing activities:
Purchases of investment securities	(29,637)	(10,116)
Sales and maturities of investment securities	59,077	137,160
Distributions from unconsolidated entities	2,650	2,357
Acquisition of business	0	(44,515)
Purchases of property, plant and equipment	(52,373)	(68,106)
Net proceeds from disposal of property, plant and equipment	253	1,866
Net cash provided by (used in) investing activities	(20,030)	18,646
Financing activities:
Purchase of common stock by treasury	(45)	(21)
Distributions to noncontrolling interests	0	(755)
Principal payments on long-term debt	0	(1,500)
Principal payments on finance lease	(101)	(97)
Contributions	5	0
Net cash used in financing activities	(141)	(2,373)
Net change in cash and cash equivalents	(30,822)	(57,999)
Cash and cash equivalents at beginning of period	78,130	69,247
Cash and cash equivalents at end of period	47,308	11,248
Supplemental Information:
Cash paid for operating leases	237	398
Interest paid	$ 129	$ 91