Note 7 - Goodwill and Other Identifiable Intangible Assets (Details Textual) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |||
---|---|---|---|---|---|
Aug. 30, 2020 |
Aug. 25, 2019 |
May 29, 2022 |
May 30, 2021 |
May 31, 2020 |
|
Fair Value Measurements, Discounted Cash Flow, Period (Year) | 5 years | ||||
Fair Value Measurement, Inputs, Terminal Growth Rate | 1.00% | ||||
Amortization of Intangible Assets | $ 59.3 | $ 59.7 | $ 59.8 | ||
Sides Components And Enhancers Reporting Unit [Member] | |||||
Fair Value Measurement, Inputs, Discount Rate | 6.50% | ||||
Refrigerated And Frozen [Member] | |||||
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) | 103.9 | 76.9 | 110.8 | ||
Refrigerated And Frozen [Member] | Sides Components And Enhancers Reporting Unit [Member] | |||||
Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount | 20.00% | ||||
Grocery Snacks and Refrigerated Frozen [Member] | Trademarks and Trade Names [Member] | |||||
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) | $ 19.3 | $ 209.0 | $ 90.9 | $ 146.2 |