Revenues from Contracts with Customers - Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2022	May 31, 2021	May 31, 2022	May 31, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 4,509	$ 14,011	$ 4,824	$ 19,788
Bad debt expense, net of reversals	499	396	839	1,022
Charge-offs	0	(47)	(50)	(472)
Recoveries collected	(138)	(1,704)	(743)	(4,088)
Ending balance	4,870	12,656	4,870	12,656
Adjustment for change in accounting principle for current expected credit losses
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 0	$ 0	$ 0	$ (3,594)