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, 2019	Nov. 30, 2018	Nov. 30, 2017
Amounts recognized in Other comprehensive income:
Net (gain) loss arising during the period	$ 1,899	$ 655	$ 210
Amortization of net loss	(122)	0	(19)
Settlements during the period	0	(365)	0
Total losses recognized in Other comprehensive income	1,777	290	191
Net losses/(gains) recognized in net periodic benefit cost and Other comprehensive income	$ 1,694	$ (63)	$ (129)

Amount recognized in net periodic benefit cost (credit) and other comprehensive (income) loss.

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Amount, before tax, of increase (decrease) to other comprehensive income from settlement and curtailment gain (loss) of defined benefit plan.

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Amount, before tax, after reclassification adjustment, of (increase) decrease in accumulated other comprehensive income for defined benefit plan.

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Amount, before tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

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Amount, before tax, of reclassification adjustment from accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan.

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