Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	Nov. 30, 2016	Nov. 30, 2015
Income Tax Disclosure [Abstract]
Deferred tax assets, Employee benefit liabilities	$ 184.5	$ 148.4
Deferred tax assets, Other accrued liabilities	42.2	27.8
Deferred tax assets, Inventory	5.5	6.1
Deferred tax assets, Tax loss and credit carry forwards	39.3	39.9
Deferred tax assets, Other	15.1	12.3
Deferred tax assets, Valuation allowance	(10.5)	(14.6)
Deferred tax assets, total	276.1	219.9
Deferred tax liabilities, Depreciation	38.1	41.8
Deferred tax liabilities, Intangible assets	262.5	225.1
Deferred tax liabilities, Other	6.1	6.8
Deferred Tax Liabilities, Gross	306.7	273.7
Deferred tax liabilities, total	$ (30.6)	$ (53.8)