Annual report pursuant to Section 13 and 15(d)

Income Taxes - Summary of Open Tax Years and Ongoing Tax Examinations in Major Jurisdictions (Detail)

v3.20.4
Income Taxes - Summary of Open Tax Years and Ongoing Tax Examinations in Major Jurisdictions (Detail)
 12 Months Ended
Nov. 30, 2020
United States - Federal Income Tax [Member]  
Income Tax Contingency [Line Items]  
Examinations in Process N/A
United States - Federal Income Tax [Member] | Earliest Tax Year [Member]  
Income Tax Contingency [Line Items]  
Open Tax Years 2017
United States - Federal Income Tax [Member] | Latest Tax Year [Member]  
Income Tax Contingency [Line Items]  
Open Tax Years 2019
United States - Various States [Member]  
Income Tax Contingency [Line Items]  
Examinations in Process N/A
United States - Various States [Member] | Earliest Tax Year [Member]  
Income Tax Contingency [Line Items]  
Open Tax Years 2016
United States - Various States [Member] | Latest Tax Year [Member]  
Income Tax Contingency [Line Items]  
Open Tax Years 2019