Benefit Plans - Components of Net Periodic Pension Costs and Amounts Recognized in Other Comprehensive Income (Details) - United States - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2019
Amounts recognized in Other comprehensive income:
Net losses arising during the period	$ 1,516	$ 3,344	$ 1,899
Amortization of net loss	(549)	(252)	(122)
Settlements during the period	0	(376)	0
Total losses recognized in Other comprehensive income	967	2,716	1,777
Net losses recognized in net periodic benefit cost and Other comprehensive income	$ 231	$ 2,138	$ 1,694