Company-Owned Life Insurance (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 23, 2024	Feb. 24, 2023	Feb. 25, 2022
Company Owned Life Insurance [Line Items]
Company-owned life insurance ("COLI")	$ 166.9	$ 157.3
Operating Expense [Member]
Company Owned Life Insurance [Line Items]
COLI Investment Income	10.5	0.8	$ 6.2
Whole Life [Member]
Company Owned Life Insurance [Line Items]
Company-owned life insurance ("COLI")	106.9	103.0
Variable Life [Member]
Company Owned Life Insurance [Line Items]
Company-owned life insurance ("COLI")	$ 60.0	$ 54.3