INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Feb. 22, 2025	Feb. 24, 2024	Feb. 25, 2023	Feb. 26, 2022
Deferred tax assets:
Compensation and benefits	$ 192.2	$ 204.3
Net operating loss	63.7	71.2
Pension & postretirement benefits	194.5	215.9
Self-Insurance	312.8	299.8
Tax credits	5.7	8.5
Lease obligations	1,775.3	1,735.1
Other	71.3	104.4
Gross deferred tax assets	2,615.5	2,639.2
Less: valuation allowance	(63.7)	(65.6)	$ (102.3)	$ (113.6)
Total deferred tax assets	2,551.8	2,573.6
Deferred tax liabilities:
Depreciation and amortization	1,302.3	1,359.9
Inventories	401.7	374.9
Operating lease assets	1,587.4	1,543.3
Other	84.5	103.1
Total deferred tax liabilities	3,375.9	3,381.2
Net deferred tax liability	(824.1)	(807.6)
Noncurrent deferred tax asset	0.0	0.0
Total	(824.1)	(807.6)
Noncurrent deferred tax liability
Deferred tax liabilities:
Noncurrent deferred tax liability	$ (824.1)	$ (807.6)