Leases (Maturities of Lease Liabilities) (Details) $ in Millions	Feb. 23, 2020 USD ($) lease
Operating Leases
Three months ended May 31, 2020	$ 93.4
2021	379.8
2022	383.4
2023	387.7
2024	390.2
2025	394.9
Thereafter	4,514.3
Total future lease commitments	6,543.7
Less imputed interest	(2,066.2)
Present value of lease liabilities	4,477.5
Noncancelable lease commitments	2,950.0
Lease payments, not yet commenced	$ 185.9
Lease payments, not yet commenced, real estate leases | lease	38
Finance Leases
Three months ended May 31, 2020	$ 5.9
2021	25.1
2022	25.5
2023	26.0
2024	26.3
2025	26.8
Thereafter	433.0
Total future lease commitments	568.6
Less imputed interest	(217.8)
Present value of lease liabilities	350.8
Noncancelable lease commitments	$ 317.8