Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	Nov. 30, 2018	Nov. 30, 2017
Income Tax Disclosure [Abstract]
Deferred tax assets, Employee benefit liabilities	$ 82.7	$ 146.8
Deferred tax assets, Other accrued liabilities	40.0	51.7
Deferred tax assets, Inventory	8.0	12.4
Tax credit carryforwards	57.2	50.2
Deferred tax assets, Other	44.2	18.7
Deferred tax assets, Valuation allowance	(32.9)	(26.0)
Deferred tax assets, total	199.2	253.8
Deferred tax liabilities, Depreciation	77.8	52.3
Deferred tax liabilities, Intangible assets	782.8	1,246.0
Deferred tax liabilities, Other	5.3	6.1
Deferred Tax Liabilities, Gross	865.9	1,304.4
Deferred tax liabilities, total	$ (666.7)	$ (1,050.6)