Leases (Future Minimum Lease Payments under Operating and Finance Leases) (Details) $ in Thousands	Nov. 30, 2019 USD ($)
Operating Leases
2020	$ 110,223
2021	93,597
2022	75,609
2023	56,764
2024	46,447
Thereafter	103,899
Total minimum lease payments	486,539
Less: Interest	(49,918)
Present value of lease liabilities	436,621
Finance Leases
2020	11,635
2021	11,676
2022	12,140
2023	11,694
2024	11,829
Thereafter	132,235
Total minimum lease payments	191,209
Less: Interest	(29,773)
Present value of lease liabilities	161,436
Total
2020	121,858
2021	105,273
2022	87,749
2023	68,458
2024	58,276
Thereafter	236,134
Total minimum lease payments	677,748
Less: Interest	(79,691)
Total lease liabilities	598,057
Leases signed but not yet commenced	$ 18,400