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Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
May 31, 2019
Feb. 28, 2019
May 31, 2018
May 31, 2019
May 31, 2018
Income Tax Disclosure [Abstract]          
Effective income tax rate (as a percent) 34.00%   25.00% 32.00% 23.00%
Provisional tax benefit   $ 1.4