Employee Benefit And Retirement Plans (Components Of Defined Benefit Plans) (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2017	Nov. 30, 2016	Nov. 30, 2015
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 2.6	$ 2.7	$ 3.1
Interest costs	3.3	3.8	3.7
Amortization of prior service costs	(2.3)	0.0	0.0
Amortization of net actuarial loss	(0.2)	0.0	0.0
Total expense	3.4	6.5	6.8
United States Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	14.8	21.5	23.6
Interest costs	31.7	33.3	31.6
Expected return on plan assets	(41.4)	(40.8)	(40.2)
Amortization of prior service costs	0.0	0.0	0.0
Amortization of net actuarial loss	5.8	12.6	16.8
Settlement loss	0.0	0.0	0.0
Total expense	10.9	26.6	31.8
International Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	6.2	7.1	8.2
Interest costs	10.4	11.3	12.0
Expected return on plan assets	(15.3)	(16.2)	(17.2)
Amortization of prior service costs	0.7	0.3	0.3
Amortization of net actuarial loss	4.1	4.1	6.0
Settlement loss	0.6	0.0	0.0
Total expense	$ 6.7	$ 6.6	$ 9.3