Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) (USD $) In Millions, unless otherwise specified	Nov. 30, 2011	Nov. 30, 2010
Income Taxes [Abstract]
Deferred tax assets, Employee benefit liabilities	$ 152.3	$ 127.5
Deferred tax assets, Other accrued liabilities	16.6	24.6
Deferred tax assets, Inventory	14.6	9.5
Deferred tax assets, Net operating and capital loss carryforwards	22.8	24.2
Deferred tax assets, Other	18.7	20.0
Deferred tax assets, Valuation allowance	(26.6)	(22.9)
Deferred tax assets, total	198.4	182.9
Deferred tax liabilities, Depreciation	49.9	41.4
Deferred tax liabilities, Intangible assets	145.3	114.0
Deferred tax liabilities, Other	7.6	5.7
Deferred tax liabilities, total	202.8	161.1
Net deferred tax (liability) asset	$ (4.4)	$ 21.8