Note 18 - Fair Value Measurements - Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	May 28, 2023	May 29, 2022
Derivative assets	$ 10.0	$ 7.0
Deferred compensation assets	7.1	7.5
Available-for-sale debt securities	4.0	7.6
Total assets	21.1	22.1
Derivative liabilities	3.6	2.2
Deferred compensation liabilities	67.0	72.6
Total liabilities	70.6	74.8
Fair Value, Inputs, Level 1 [Member]
Derivative assets	9.4	5.7
Deferred compensation assets	7.1	7.5
Available-for-sale debt securities	0.0	0.0
Total assets	16.5	13.2
Derivative liabilities	0.0	0.0
Deferred compensation liabilities	67.0	72.6
Total liabilities	67.0	72.6
Fair Value, Inputs, Level 2 [Member]
Derivative assets	0.6	1.3
Deferred compensation assets	0.0	0.0
Available-for-sale debt securities	0.0	0.0
Total assets	0.6	1.3
Derivative liabilities	3.6	2.2
Deferred compensation liabilities	0.0	0.0
Total liabilities	3.6	2.2
Fair Value, Inputs, Level 3 [Member]
Derivative assets	0.0	0.0
Deferred compensation assets	0.0	0.0
Available-for-sale debt securities	4.0	7.6
Total assets	4.0	7.6
Derivative liabilities	0.0	0.0
Deferred compensation liabilities	0.0	0.0
Total liabilities	$ 0.0	$ 0.0