DESCRIPTION OF BUSINESS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Investments (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 24, 2024	Feb. 25, 2023	Feb. 26, 2022
Schedule of Equity Method Investments [Line Items]
Equity method investments	$ 78.2	$ 250.1
Equity in earnings (loss) from unconsolidated affiliates	(8.7)	11.8	$ 63.5
Other investments	39.4	116.9
Net realized and unrealized losses	1.3	$ 11.5
Net realized and unrealized gains			$ 15.5
Mexico Foods Parent LLC and La Fabrica Parent LLC
Schedule of Equity Method Investments [Line Items]
Equity in earnings (loss) from unconsolidated affiliates	10.5
Proceeds from sale of equity method investments	$ 166.1
Mexico Foods Parent LLC and La Fabrica Parent LLC
Schedule of Equity Method Investments [Line Items]
Ownership interest percentage	45.00%