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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, 2017
Nov. 30, 2016
Nov. 30, 2015
Change in benefit obligation:      
Employee contributions $ 3.2 $ 3.6  
Change in fair value of plan assets:      
Fair value of plan assets at beginning of year 0.0 0.0  
Employee contributions 3.2 3.6  
Fair value of plan assets at end of year 0.0 0.0 $ 0.0
United States Pension Plans [Member]      
Change in benefit obligation:      
Benefit obligation at beginning of year 757.0 722.0  
Service cost 14.8 21.5 23.6
Interest costs 31.7 33.3 31.6
Plan curtailments (68.9)    
Actuarial loss 65.6 10.6  
Benefits paid (35.2) (30.4)  
Business combinations 48.7    
Benefit obligation at end of year 813.7 757.0 722.0
Change in fair value of plan assets:      
Fair value of plan assets at beginning of year 558.9 548.6  
Actual return on plan assets 90.9 25.3  
Employer contributions 11.4 15.4  
Benefits paid (35.2) (30.4)  
Business combinations 28.2    
Fair value of plan assets at end of year 654.2 558.9 548.6
Funded status (159.5) (198.1)  
Projected benefit obligation 813.7 757.0  
Accumulated benefit obligation 797.6 674.9  
Fair value of plan assets 654.2 558.9  
International Pension Plans [Member]      
Change in benefit obligation:      
Benefit obligation at beginning of year 324.9 308.1  
Service cost 6.2 7.1 8.2
Interest costs 10.4 11.3 12.0
Employee contributions 0.7 1.1  
Plan amendments 0.3    
Plan curtailments (7.8)    
Actuarial loss 3.3 47.5  
Benefits paid (15.3) (14.9)  
Expenses paid (3.1)    
Foreign currency impact 22.3 (34.8)  
Benefit obligation at end of year 341.5 324.9 308.1
Change in fair value of plan assets:      
Fair value of plan assets at beginning of year 289.1 288.3  
Actual return on plan assets 31.5 38.3  
Employer contributions 7.3 9.7  
Employee contributions 0.7 1.1  
Plan settlements (3.1)    
Benefits paid (15.3) (14.9)  
Expenses paid (3.1)    
Foreign currency impact 21.5 (32.9)  
Fair value of plan assets at end of year 331.3 289.1 288.3
Funded status (10.2) (35.8)  
Projected benefit obligation 20.9 218.8  
Accumulated benefit obligation 16.7 208.8  
Fair value of plan assets 1.6 191.9  
Settlement loss 0.4 0.5  
Other Postretirement Benefits [Member]      
Change in benefit obligation:      
Benefit obligation at beginning of year 95.5 92.4  
Service cost 2.6 2.7 3.1
Interest costs 3.3 3.8 3.7
Employee contributions 3.2 3.6  
Plan amendments (27.1)    
Demographic assumptions change 2.4 (0.2)  
Other plan assumptions 0.0 (0.1)  
Discount rate change 3.7 0.8  
Actuarial loss (3.5) 2.0  
Benefits paid (9.2) (9.5)  
Benefit obligation at end of year 70.9 95.5 $ 92.4
Change in fair value of plan assets:      
Employer contributions 6.0 5.9  
Employee contributions 3.2 3.6  
Benefits paid (9.2) (9.5)  
Other postretirement benefit liability $ 70.9 $ 95.5