Note 15 - Business Segments and Related Information (Details Textual) $ in Millions	3 Months Ended		12 Months Ended
	Aug. 27, 2023 USD ($)	Aug. 28, 2022 USD ($)	May 28, 2023
Number of Reportable Segments	4
Depreciation	$ 83.1	$ 78.2
Revenue from Contract with Customer, Excluding Assessed Tax	$ 2,904.0	$ 2,904.3
Customer Concentration Risk [Member] | Revenue from Contract with Customer Benchmark [Member] | Walmart, Inc. and Its Affiliates [Member]
Concentration Risk, Percentage	27.00%	27.00%
Customer Concentration Risk [Member] | Accounts Receivable [Member] | Walmart, Inc. and Its Affiliates [Member]
Concentration Risk, Percentage	30.00%		29.00%
Non-US [Member]
Revenue from Contract with Customer, Excluding Assessed Tax	$ 270.7	$ 241.8