Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	May 31, 2020	May 31, 2020
Leases [Abstract]
Operating lease costs	$ 17,762	$ 35,389
Variable lease costs	2,499	5,966
Less: Sublease income	(1,500)	(3,000)
Total lease cost, net	$ 18,761	$ 38,355