Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	Nov. 30, 2024	Nov. 30, 2023
Income Tax Disclosure [Abstract]
Deferred tax assets, Employee benefit liabilities	$ 48.9	$ 46.6
Deferred tax assets, Other accrued liabilities	36.0	38.8
Deferred tax assets, Inventory	18.3	18.9
Tax credit carryforwards	69.0	63.8
Deferred Tax Liabilities, Leasing Arrangements	10.6	13.6
Deferred Tax Asset, In-Process Research and Development	64.0	31.4
Deferred tax assets, Other	28.0	27.7
Deferred tax assets, Valuation allowance	(33.5)	(25.9)
Deferred tax assets, total	241.3	214.9
Deferred tax liabilities, Depreciation	96.8	99.5
Deferred tax liabilities, Intangible assets	849.5	866.8
Deferred Tax Liabilities, Leasing Arrangements	16.1	13.2
Deferred tax liabilities, Other	19.7	12.7
Deferred Tax Liabilities, Gross	982.1	992.2
Deferred tax liabilities, total	$ (740.8)	$ (777.3)