Leases (Right-Of-Use Assets And Lease Liabilities) (Details) $ in Thousands	Nov. 30, 2019 USD ($)
Leases [Abstract]
Operating lease right-of-use assets	$ 8,734
Current operating lease liabilities	1,714	[1]
Long-term operating lease liabilities	7,084
Total operating lease liabilities	$ 8,798

[1] Current operating lease liabilities are classified in accrued liabilities on the Company’s consolidated balance sheets.