Leases Leases - Prior Period Disclosures (Details) $ in Thousands	Feb. 28, 2019 USD ($)
Leases [Abstract]
Capital Leases, Future Minimum Payments Due, Next Twelve Months	$ 5,139
Capital Leases, Future Minimum Payments Due in Two Years	6,055
Capital Leases, Future Minimum Payments Due in Three Years	6,185
Capital Leases, Future Minimum Payments Due in Four Years	6,288
Capital Leases, Future Minimum Payments Due in Five Years	5,186
Capital Leases, Future Minimum Payments Due Thereafter	11,445
Capital Leases, Future Minimum Payments Due	40,298
Capital Leases, Future Minimum Payments, Interest Included in Payments	(8,518)
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments	31,780
Operating Leases, Future Minimum Payments Due, Next Twelve Months	55,295
Operating Leases, Future Minimum Payments, Due in Two Years	52,142
Operating Leases, Future Minimum Payments, Due in Three Years	48,886
Operating Leases, Future Minimum Payments, Due in Four Years	46,235
Operating Leases, Future Minimum Payments, Due in Five Years	45,067
Operating Leases, Future Minimum Payments, Due Thereafter	595,047
Operating Leases, Future Minimum Payments Due	$ 842,672