XML 62 R51.htm IDEA: XBRL DOCUMENT v3.21.1
Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended
Feb. 28, 2021
Feb. 29, 2020
Income Tax Examination [Line Items]    
Effective income tax rate reconciliation, tax credit, amount   $ (10.4)
Effective income tax rate reconciliation, change in deferred tax assets valuation allowance, amount $ 4.5  
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations   1.4
Effective Income Tax Rate Reconciliation, Disposition of Asset, Amount   9.9
Effective Income Tax Rate Reconciliation, Tax Settlement, Amount 1.2  
Unrecognized Tax Benefits, Decrease Resulting from Acquisition 11.4  
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount   $ 1.8
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount $ 5.3