Summary of Significant Accounting Policies - Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Feb. 29, 2020	Feb. 29, 2020	Feb. 28, 2019	Feb. 28, 2018
Acquired Finite-Lived Intangible Assets [Line Items]
Gain (Loss) on Disposition of Assets	$ 9,200	$ (9,157)	$ (810)	$ (10,834)
Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life		2 years
Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Useful life		19 years