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Financing Arrangements (Maturities Of Long-Term Debt) (Details) - USD ($)
$ in Millions
Nov. 30, 2020
Nov. 30, 2019
Financing Arrangements [Abstract]    
2020 $ 263.9 $ 97.7
2021 765.0  
2022 265.2  
2023 791.9  
2024 271.4  
Thereafter $ 1,643.4