DESCRIPTION OF BUSINESS, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Investments (Details) - USD ($) $ in Millions		12 Months Ended
	Dec. 31, 2021	Feb. 26, 2022	Feb. 27, 2021	Feb. 29, 2020
Schedule of Equity Method Investments [Line Items]
Equity method investments		$ 247.9	$ 182.0
Equity in earnings from unconsolidated affiliates		63.5	59.2	$ 1.5
Other investments		118.6	152.8
Net realized and unrealized gains		$ 15.5	$ 43.0	$ 11.5
El Rancho Supermercado
Schedule of Equity Method Investments [Line Items]
Percentage of equity interest acquired	45.00%
Remaining equity interest under contractual right to purchase, percent	55.00%
Remaining equity interest under contractual right to purchase, period	6 months