Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions	Nov. 30, 2025	Nov. 30, 2024
Income Tax Disclosure [Abstract]
Deferred tax assets, Employee benefit liabilities	$ 39.4	$ 48.9
Deferred tax assets, Other accrued liabilities	37.9	36.0
Deferred tax assets, Inventory	17.9	18.3
Tax credit carryforwards	76.4	69.0
Deferred Tax Liabilities, Leasing Arrangements	10.9	10.6
Deferred Tax Asset, In-Process Research and Development	86.3	64.0
Deferred tax assets, Other	27.8	28.0
Deferred tax assets, Valuation allowance	(41.1)	(33.5)
Deferred tax assets, total	255.5	241.3
Deferred tax liabilities, Depreciation	107.7	96.8
Deferred tax liabilities, Intangible assets	852.1	849.5
Deferred Tax Liabilities, Leasing Arrangements	20.0	16.1
Deferred tax liabilities, Other	12.6	19.7
Deferred Tax Liabilities, Gross	992.4	982.1
Deferred tax liabilities, total	$ (736.9)	$ (740.8)