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	Feb. 29, 2016	Nov. 30, 2015
Financial instruments owned:
Loans and other receivables	$ 494,444	$ 408,369
Loans and other receivables greater than 90 days past due	29,555	29,720
Loans and other receivables on nonaccrual status	154,319	54,652
Long-term debt	$ 6,420	$ 0