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Employee Benefit Plans - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2021	Feb. 29, 2020	Nov. 30, 2020
Compensation And Retirement Disclosure [Abstract]
Employer contribution to defined contribution plan	$ 1,035	$ 944
Deferred compensation liability	4,662		$ 4,628
Defined benefit and postemployment plans,net periodic pension costs	132	117
Defined benefit and postemployment plans, contributions	0	$ 0
Unfunded liabilities related to defined pension and postemployment plans	$ (1,239)		$ (1,328)

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Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date.

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Amount of contribution received by defined benefit plan from employer which increases plan assets.

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Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status.

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