Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Aug. 31, 2019	Sep. 01, 2018
Operating activities:
Net income (loss), including noncontrolling interests	$ (45,721)	$ 12,743
Depreciation and amortization	13,620	13,547
Impairment loss on property, plant & equipment	2,919	0
Other adjustments, net	(31,496)	(5,108)
Net cash provided by (used in) operations	(60,678)	21,182
Investing activities:
Purchases of investment securities	(9,108)	(42,793)
Sales and maturities of investment securities	69,919	52,980
Investment in unconsolidated entities	0	(4,272)
Purchases of property, plant and equipment	(23,670)	(9,199)
Distributions from unconsolidated entities	858	1,000
Net proceeds from disposal of property, plant and equipment	1,383	93
Net cash provided by (used in) investing activities	39,382	(2,191)
Financing activities:
Purchase of common stock by treasury	(11)	0
Distributions to noncontrolling interests	756	0
Principal payments on long-term debt	(750)	(1,259)
Principal payments on finance lease	(48)	(64)
Payment of dividends	0	(17,075)
Net cash used in financing activities	(1,565)	(18,398)
Net change in cash and cash equivalents	(22,861)	593
Cash and cash equivalents at beginning of period	69,247	48,431
Cash and cash equivalents at end of period	46,386	$ 49,024
Supplemental Information:
Cash paid for operating leases	$ 197