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Subsequent Events	3 Months Ended
Subsequent Events	May 31, 2018
Subsequent Events [Abstract]
Subsequent Events	14. Subsequent Events On June 15, 2018, the Board increased the quarterly dividend on our common stock to 22.5 cents per share from 20 cents per share, which will be paid on August 3, 2018 to the shareholders of record on July 6, 2018.