Note 3 - Debt and Revolving Credit Facility - Schedule of Net Interest Expense (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Feb. 26, 2023	Feb. 27, 2022	Feb. 26, 2023	Feb. 27, 2022
Long-term debt	$ 101.2	$ 97.9	$ 299.3	$ 292.5
Short-term debt	6.0	0.6	10.0	1.7
Interest income	(1.1)	(0.5)	(2.6)	(1.1)
Interest capitalized	(1.9)	(3.4)	(5.1)	(9.4)
Interest Income (Expense), Net, Total	$ 104.2	$ 94.6	$ 301.6	$ 283.7

Amount of interest costs capitalized disclosed as an adjusting item to interest costs incurred.

No definition available.

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- Definition

Aggregate amount of interest paid or due on all long-term debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.8)
-URI https://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1402
-Paragraph (a)

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1402
-Paragraph (b)
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- Definition

The aggregate interest expense incurred on short-term borrowings including commercial paper and Federal funds purchased and securities sold under agreements to repurchase.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
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-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1402
-Paragraph (b)
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher SEC
-Name Regulation S-K (SK)
-Number 229
-Section 1402
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The net amount of operating interest income (expense).

+ References

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Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.7(b))
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-Publisher FASB
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-Section 50
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