Leases - Schedule of Lease Maturities (Details) $ in Thousands	Aug. 31, 2019 USD ($)
Operating Leases
Remainder of 2019	$ 286,430
2020	576,119
2021	481,833
2022	387,133
2023	294,998
Thereafter	722,013
Total lease payments	2,748,526
Less imputed interest	(479,187)
Present value of lease liabilities	2,269,339
Finance Leases
Remainder of 2019	5,221
2020	10,469
2021	10,434
2022	10,407
2023	10,524
Thereafter	259,584
Total lease payments	306,639
Less imputed interest	(201,920)
Present value of lease liabilities	$ 104,719