Income Taxes (Provision For Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Income Tax Disclosure [Abstract]
Current, Federal	$ 52.3	$ 92.9	$ 67.1
Current, State	10.7	11.0	6.2
Current, International	73.5	78.7	53.9
Current Income Taxes, Total	136.5	182.6	127.2
Deferred, Federal	26.4	(340.3)	23.8
Deferred, State	3.6	1.5	0.9
Deferred, International	(9.1)	(1.1)	(0.6)
Deferred Income Taxes, Total	20.9	(339.9)	24.1
Total income taxes	$ 157.4	$ (157.3)	$ 151.3