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, 2018	Nov. 30, 2017	Nov. 30, 2016
Change in benefit obligation:
Employee contributions	$ 0.4	$ 3.2
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	70.9	95.5
Service cost	2.0	2.6	2.7
Interest costs	2.4	3.3	3.8
Employee contributions	0.4	3.2
Plan amendments	0.0	(27.1)
Demographic assumptions change	0.0	2.4
Other plan assumptions	(0.1)	0.0
Discount rate change	(4.5)	3.7
Actuarial (gain) loss	(3.0)	(3.5)
Benefits paid	(5.2)	(9.2)
Benefit obligation at end of year	62.9	70.9	95.5
Change in fair value of plan assets:
Employer contributions	4.8	6.0
Other postretirement benefit liability	62.9	70.9
Domestic Plan [Member]
Change in benefit obligation:
Benefit obligation at beginning of year	813.7	757.0
Service cost	17.0	14.8	21.5
Interest costs	31.6	31.7	33.3
Plan amendments	5.2
Plan curtailments	0.0	(68.9)
Actuarial (gain) loss	(76.2)	65.6
Benefits paid	(36.3)	(35.2)
Business combinations	(2.4)	48.7
Benefit obligation at end of year	752.6	813.7	757.0
Change in fair value of plan assets:
Fair value of plan assets at beginning of year	654.2	558.9
Actual return on plan assets	13.6	90.9
Employer contributions	8.9	11.4
Business combinations	0.0	28.2
Fair value of plan assets at end of year	640.4	654.2	558.9
Funded status	(112.2)	(159.5)
Projected benefit obligation	752.6	813.7
Accumulated benefit obligation	746.9	797.6
Fair value of plan assets	640.4	654.2
Foreign Plan [Member]
Change in benefit obligation:
Benefit obligation at beginning of year	341.5	324.9
Service cost	4.3	6.2	7.1
Interest costs	9.2	10.4	11.3
Employee contributions	0.7	0.7
Plan amendments	3.4	0.3
Plan curtailments	(17.5)	(7.8)
Plan settlements	0.0	(3.1)
Actuarial (gain) loss	(20.2)	3.3
Benefits paid	(13.2)	(15.3)
Expenses paid	(0.7)	(0.4)
Foreign currency impact	(14.6)	22.3
Benefit obligation at end of year	292.9	341.5	324.9
Change in fair value of plan assets:
Fair value of plan assets at beginning of year	331.3	289.1
Actual return on plan assets	(0.7)	31.5
Employer contributions	4.6	7.3
Plan settlements	0.0	(3.1)
Expenses paid	0.0	(3.1)
Foreign currency impact	(15.5)	21.5
Fair value of plan assets at end of year	306.5	331.3	$ 289.1
Funded status	13.6	(10.2)
Projected benefit obligation	19.1	20.9
Accumulated benefit obligation	16.1	16.7
Fair value of plan assets	$ 1.5	$ 1.6