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Subsequent Event	6 Months Ended
Subsequent Event	Oct. 31, 2019
Subsequent Events [Abstract]
Subsequent Event	Subsequent Event On November 12, 2019, our Board of Directors declared a quarterly cash dividend of $0.11 per share of our Class A and Class B common stock. The cash dividend is payable on February 21, 2020 to Class A and Class B shareholders of record at the close of business on