Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Feb. 26, 2022	Feb. 27, 2021
Cash flows from operating activities:
Net income	$ 22,573	$ 6,304
Depreciation and amortization	50,996	44,391
Deferred income taxes	(3,861)	9,970
Other adjustments, net	(48,884)	(45,936)
Net cash provided by operations	20,824	14,729
Cash flows from investing activities:
Purchases of investment securities	(47,135)	(59,415)
Sales and maturities of investment securities	76,377	85,202
Investment in unconsolidated entities	(3,000)	0
Distributions from unconsolidated entities	400	5,813
Acquisition of business, net of cash acquired	(44,823)	0
Purchases of property, plant and equipment	(49,170)	(73,796)
Net proceeds from disposal of property, plant and equipment	6,041	3,273
Net cash used in investing activities	(61,310)	(38,923)
Cash flows from financing activities:
Purchase of common stock by treasury	(1,120)	(871)
Principal payments on finance lease	(160)	(153)
Contributions	3	5
Net cash used in financing activities	(1,277)	(1,019)
Net change in cash and cash equivalents	(41,763)	(25,213)
Cash and cash equivalents at beginning of period	57,352	78,130
Cash and cash equivalents at end of period	15,589	52,917
Supplemental information:
Cash paid for operating leases	625	703
Interest paid	$ 230	$ 193