Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Feb. 29, 2020	Mar. 02, 2019
Operating activities:
Net income (loss), including noncontrolling interests	$ (42,136)	$ 74,614
Depreciation and amortization	42,911	40,857
Impairment loss on property, plant & equipment	2,919	0
Other adjustments, net	(40,148)	(20,863)
Net cash provided by (used in) operations	(36,454)	94,608
Investing activities:
Purchases of investment securities	(12,100)	(122,191)
Sales and maturities of investment securities	181,533	160,190
Investment in unconsolidated entities	0	(4,272)
Distributions from unconsolidated entities	6,114	6,545
Acquisition of business	(44,515)	(17,889)
Purchases of property, plant and equipment	(94,600)	(36,841)
Net proceeds from disposal of property, plant and equipment	1,839	1,212
Net cash provided by (used in) investing activities	38,271	(13,246)
Financing activities:
Purchase of common stock by treasury	(910)	(985)
Distributions to noncontrolling interests	(755)	0
Principal payments on long-term debt	(1,500)	(2,969)
Principal payments on finance lease	(146)	0
Payment of dividends	0	(28,469)
Net cash used in financing activities	(3,311)	(32,423)
Net change in cash and cash equivalents	(1,494)	48,939
Cash and cash equivalents at beginning of period	69,247	48,431
Cash and cash equivalents at end of period	67,753	97,370
Supplemental Information:
Cash paid for operating leases	635
Interest paid	$ 77	$ 115