Nature of Business and Summary of Significant Accounting Policies (Unbilled Receivables and Contract Assets) (Details) - USD ($) $ in Thousands	Nov. 30, 2019	Nov. 30, 2018	[1]
Organization, Consolidation and Presentation of Financial Statements [Abstract]
2021	$ 11,731
2022	761
Total	$ 12,492	$ 1,811

[1] The Company adopted the accounting standard related to revenue recognition ("ASC 606") effective December 1, 2018 using the full retrospective method. See Note 1. Nature of Business and Summary of Significant Accounting Policies for further information.