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Subsequent Events	6 Months Ended
Subsequent Events	Aug. 31, 2016
Subsequent Events [Abstract]
Subsequent Events	14. Subsequent Events On September 23, 2016, the Board declared a quarterly cash dividend of 17 ¹⁄₂ cents per share, which will be paid on November 7, 2016 to the shareholders of record on October 14, 2016.