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 (Detail) - USD ($) $ in Thousands	Aug. 31, 2016	Nov. 30, 2015
Financial instruments owned:
Loans and other receivables	$ 843,458	$ 408,369
Loans and other receivables on nonaccrual status	223,581	54,652
Loans and other receivables greater than 90 days past due	59,700	29,700
Long-term debt	$ 7,485	$ 0