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Employee Benefit And Retirement Plans - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Aug. 31, 2019
Aug. 31, 2018
Aug. 31, 2019
Aug. 31, 2018
Nov. 30, 2018
Defined Benefit Plan Disclosure [Line Items]          
Other income, net $ 6.9 $ 4.8 $ 19.3 $ 13.5  
Defined Benefit Plan, Accumulated Benefit Obligation, (Increase) Decrease for Settlement and Curtailment       17.5  
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax   18.0   18.0  
Payment for Pension Benefits     8.9 12.0 $ 13.5
Pension and other postretirement costs 119.7 156.1 119.7 156.1 $ 117.8
Foreign Plan [Member]          
Defined Benefit Plan Disclosure [Line Items]          
Defined Benefit Plan, Accumulated Benefit Obligation, (Increase) Decrease for Settlement and Curtailment       17.5  
Accounting Standards Update 2017-07 [Member]          
Defined Benefit Plan Disclosure [Line Items]          
Other income, net $ (4.3) $ (3.1) $ (13.1) $ (8.8)