Income Taxes (Reconciliation Of The U.S. Federal Statutory Rate With The Effective Tax Rate) (Details)	12 Months Ended
	Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2019
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	21.00%	21.00%
State income taxes, net of federal benefits	1.60%	1.50%	1.60%
International tax at different effective rates	0.80%	1.30%	1.60%
U.S. tax on remitted and unremitted earnings	0.10%	0.80%	0.50%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Percent	(0.40%)	(1.50%)	(2.80%)
Changes in prior year tax contingencies	(2.50%)	(0.30%)	(0.30%)
Effective Income Tax Rate Reconciliation, Tax Contingency, State and Local, Percent	1.20%	0.00%	0.00%
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	0.00%	0.00%	(0.20%)
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent	(0.50%)	(1.40%)	0.00%
Effective Income Tax Rate Reconciliation, Disposition of Asset, Percent	0.00%	(1.10%)	(1.80%)
Other, net	0.20%	(0.50%)	(0.40%)
Total	21.50%	19.80%	19.20%