Condensed Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Thousands	9 Months Ended
	Aug. 31, 2019	Aug. 31, 2018
Statement of Cash Flows [Abstract]
Proceeds from income tax refunds	$ 1,293	$ 889	[1]

[1] The Company adopted ASC 606 effective December 1, 2018 using the full retrospective method. See Note 1. Nature of Business and Basis of Presentation for further information.