Fair Value Disclosures - Assets and Liabilities Measured at Fair Value on a Non-recurring Basis (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Exchange ownership interest and registrations, impairment loss	$ 291	$ 9
Exchange ownership interests and registrations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Exchange ownership interest and registrations, impairment loss	291	9
Nonrecurring | Exchange ownership interests and registrations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Exchange ownership interest and registrations, carrying value	2,443	2,663	$ 2,672
Exchange ownership interest and registrations, impairment loss	291	9	613
Nonrecurring | Exchange ownership interests and registrations | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Exchange ownership interest and registrations, fair value	2,443	2,663	2,672
Nonrecurring | Exchange ownership interests and registrations | Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Exchange ownership interest and registrations, fair value	$ 0	$ 0	$ 0