Fair Value Measurements (Assets Measured on Nonrecurring Basis) (Details) - USD ($) $ in Thousands	3 Months Ended			12 Months Ended
	Nov. 30, 2019	Nov. 30, 2018		Nov. 30, 2019	Nov. 30, 2018		Nov. 30, 2017	[2],[3]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Fair Value	$ 0	$ 5,776	[1]	$ 0	$ 5,776	[1]
Loss on assets held for sale	1,400	5,100		0	5,147	[2],[3]	$ 0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Finite-lived intangible assets, fair value	$ 0			0
Gain (loss) on disposal				$ 22,688
Disposal Group, Held-for-Sale, Not Discontinued Operations | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Fair Value		$ 5,776			5,776
Loss on assets held for sale					$ 5,147

[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.

[2] 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.

[3] 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.