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Subsequent Events (Notes)	6 Months Ended
Subsequent Events (Notes)	Sep. 30, 2017
Subsequent Events [Abstract]
Subsequent Events [Text Block]	Subsequent Events On October 24, 2017, the Company’s Board of Directors declared a cash dividend of $0.35 per common share for the third quarter of fiscal year 2018. The dividend is payable on December 6, 2017 to stockholders of record on November 15, 2017.