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Stockholders' Equity - Dividends (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended
Feb. 09, 2021
Feb. 10, 2020
Jan. 31, 2021
Jan. 31, 2020
Subsequent Event [Line Items]        
Dividends on common stock   $ 1.5    
Dividends on common stock (in dollars per share)   $ 0.03 $ 0.03 $ 0.03
Subsequent Event        
Subsequent Event [Line Items]        
Dividends on common stock $ 1.5      
Dividends on common stock (in dollars per share) $ 0.03