Income Taxes (Reconciliation Of The U.S. Federal Statutory Rate With The Effective Tax Rate) (Details)	12 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent	21.00%	22.20%	35.00%
State income taxes, net of federal benefits	1.60%	1.50%	0.80%
International tax at different effective rates	1.60%	0.40%	(4.80%)
U.S. tax on remitted and unremitted earnings	0.50%	0.60%	0.40%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Percent	(2.80%)	(2.90%)	(1.60%)
U.S. manufacturing deduction	0.00%	(0.80%)	(1.80%)
Changes in prior year tax contingencies	(0.30%)	(0.80%)	(2.10%)
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent	(0.20%)	(40.70%)	0.00%
Effective Income Tax Rate Reconciliation, Disposition of Asset, Percent	(1.80%)
Other, net	(0.40%)	(0.70%)	(0.50%)
Total	19.20%	(21.20%)	25.40%