Fair Value Disclosures (Summary Of Amount By Which Contractual Principal Exceeds Fair Value For Loans And Other Receivables Measured At Fair Value Under Fair Value Option) (Details) - USD ($) $ in Thousands	May 31, 2019	Nov. 30, 2018
Fair Value Disclosures [Abstract]
Loans and other receivables	$ 878,221	$ 961,554
Loans and other receivables on nonaccrual status and/or 90 days or greater past due	141,474	158,392
Long-term Debt	95,079	114,669
All loans and other receivables 90 days or greater past due	$ 18,700	$ 20,500