Income Taxes (Provision For Income Taxes) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2010
Income Tax Expense (Benefit) [Abstract]
Current, Federal	$ 79.4	$ 76.5	$ 78.0
Current, State	10.1	10.5	10.6
Current, International	26.0	17.6	18.9
Current Income Taxes, Total	115.5	104.6	107.5
Deferred, Federal	21.3	32.0	9.4
Deferred, State	4.0	4.1	2.1
Deferred, International	(1.0)	1.9	(1.0)
Deferred Income Taxes, Total	24.3	38.0	10.5
Total income taxes	$ 139.8	$ 142.6	$ 118.0