INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions	Feb. 24, 2024	Feb. 25, 2023	Feb. 26, 2022	Feb. 27, 2021
Deferred tax assets:
Compensation and benefits	$ 204.3	$ 190.6
Net operating loss	71.2	99.5
Pension & postretirement benefits	215.9	248.9
Self-Insurance	299.8	289.7
Tax credits	8.5	26.2
Lease obligations	1,735.1	1,722.4
Other	104.4	110.9
Gross deferred tax assets	2,639.2	2,688.2
Less: valuation allowance	(65.6)	(102.3)	$ (113.6)	$ (130.4)
Total deferred tax assets	2,573.6	2,585.9
Deferred tax liabilities:
Depreciation and amortization	1,359.9	1,360.2
Inventories	374.9	373.1
Operating lease assets	1,543.3	1,518.9
Other	103.1	187.7
Total deferred tax liabilities	3,381.2	3,439.9
Net deferred tax liability	807.6	854.0
Noncurrent deferred tax asset	0.0	0.0
Total	(807.6)	(854.0)
Noncurrent deferred tax liability
Deferred tax liabilities:
Noncurrent deferred tax liability	$ 807.6	$ 854.0