Employee Benefit And Retirement Plans (Benefit Obligation, Fair Value Of Plan Assets And Reconciliation Of Defined Benefit Plans) (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Change in benefit obligation:
Employee contributions	$ 0.3	$ 0.4
Business combinations	2.4
Change in fair value of plan assets:
Fair value of plan assets at beginning of year	0.0	0.0
Fair value of plan assets at end of year	0.0	0.0	$ 0.0
Other Postretirement Benefits [Member]
Change in benefit obligation:
Benefit obligation at beginning of year	62.9	70.9
Service cost	1.8	2.0	2.6
Interest costs	2.7	2.4	3.3
Employee contributions	0.3	0.4
Plan amendments	(0.4)	0.0
Other plan assumptions	(1.0)	(0.1)
Discount rate change	7.6	(4.5)
Actuarial (gain) loss	(2.5)	(3.0)
Benefits paid	(4.2)	(5.2)
Benefit obligation at end of year	67.2	62.9	70.9
Change in fair value of plan assets:
Employer contributions	3.9	4.8
Other postretirement benefit liability	67.2	62.9
United States
Change in benefit obligation:
Benefit obligation at beginning of year	752.6	813.7
Service cost	2.1	17.0	14.8
Interest costs	34.4	31.6	31.7
Plan amendments	0.0	5.2
Plan curtailments	0.0	0.0
Actuarial (gain) loss	134.6	(76.2)
Benefits paid	(38.9)	(36.3)
Business combinations	0.0	(2.4)
Benefit obligation at end of year	884.8	752.6	813.7
Change in fair value of plan assets:
Fair value of plan assets at beginning of year	640.4	654.2
Actual return on plan assets	62.2	13.6
Employer contributions	8.2	8.9
Fair value of plan assets at end of year	671.9	640.4	654.2
Funded status	(212.9)	(112.2)
Projected benefit obligation	884.8	752.6
Accumulated benefit obligation	874.8	746.9
Fair value of plan assets	671.9	640.4
Foreign Plan [Member]
Change in benefit obligation:
Benefit obligation at beginning of year	292.9	341.5
Service cost	3.6	4.3	6.2
Interest costs	9.5	9.2	10.4
Employee contributions	0.8	0.7
Plan amendments	(0.2)	3.4
Plan curtailments	0.0	(17.5)
Actuarial (gain) loss	51.8	(20.2)
Benefits paid	(14.7)	(13.2)
Expenses paid	(0.3)	(0.7)
Foreign currency impact	2.2	(14.6)
Benefit obligation at end of year	345.6	292.9	341.5
Change in fair value of plan assets:
Fair value of plan assets at beginning of year	306.5	331.3
Actual return on plan assets	42.7	(0.7)
Employer contributions	3.2	4.6
Foreign currency impact	2.7	(15.5)
Fair value of plan assets at end of year	340.9	306.5	$ 331.3
Funded status	(4.7)	13.6
Projected benefit obligation	103.9	19.1
Accumulated benefit obligation	100.4	16.1
Fair value of plan assets	$ 83.6	$ 1.5