Employee Benefit And Retirement Plans (Components Of Defined Benefit Plans) (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2021	Nov. 30, 2020	Nov. 30, 2019
Other Postretirement Benefits [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 2.0	$ 1.9	$ 1.8
Interest costs	1.6	2.0	2.7
Amortization of prior service costs	(0.3)	(4.6)	(8.7)
Amortization of net actuarial loss	0.0	(0.1)	(0.9)
Total expense	3.3	(0.8)	(5.1)
United States
Defined Benefit Plan Disclosure [Line Items]
Service cost	3.7	3.2	2.1
Interest costs	25.9	29.3	34.4
Expected return on plan assets	(41.1)	(40.6)	(42.5)
Amortization of prior service costs	0.5	0.5	0.5
Amortization of net actuarial loss	11.0	7.8	2.3
Settlement loss	0.0	0.0	0.0
Total expense	0.0	0.2	(3.2)
Foreign Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	1.1	1.3	3.6
Interest costs	7.1	7.5	9.5
Expected return on plan assets	(14.0)	(15.3)	(16.4)
Amortization of prior service costs	0.1	0.1	0.2
Amortization of net actuarial loss	2.2	2.0	1.2
Settlement loss	0.7	1.3	0.0
Total expense	$ (2.8)	$ (3.1)	$ (1.9)