Income Taxes (Provision For Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2018	Nov. 30, 2017	Nov. 30, 2016
Income Tax Disclosure [Abstract]
Current, Federal	$ 92.9	$ 67.1	$ 127.7
Current, State	11.0	6.2	15.1
Current, International	78.7	53.9	50.2
Current Income Taxes, Total	182.6	127.2	193.0
Deferred, Federal	(340.3)	23.8	(29.6)
Deferred, State	1.5	0.9	(2.4)
Deferred, International	(1.1)	(0.6)	(8.0)
Deferred Income Taxes, Total	(339.9)	24.1	(40.0)
Total income taxes	$ (157.3)	$ 151.3	$ 153.0