Pension and Employee Benefits Plans - Defined Contribution Plan - Additional Information (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Nov. 30, 2019 |
Nov. 30, 2018 |
Nov. 30, 2017 |
|
Compensation And Retirement Disclosure [Abstract] | |||
Employer contribution to defined contribution plan | $ 47,441 | $ 38,531 | $ 33,876 |
Deferred compensation liability | $ 5,389 | $ 6,146 |