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	Nov. 30, 2016	Nov. 30, 2015
Financial instruments owned:
Loans and other receivables	$ 1,325,938	$ 408,369
Loans and other receivables on nonaccrual status and/or greater than 90 days past due	205,746	54,652
Loans and other receivables greater than 90 days past due	64,600	29,700
Long-term debt	$ 20,202	$ 0