Dividends	6 Months Ended
	Sep. 30, 2020
Dividends [Abstract]
Dividends	Dividends A quarterly cash dividend of $0.3680 per share was paid on September 4, 2020 in the aggregate amount of $95.3 million.  A quarterly cash dividend of $0.3685 per share was declared on November 5, 2020 and will be paid on December 4, 2020 to stockholders of record as of November 20, 2020. The Company expects the December 2020 payment of its quarterly cash dividend to be approximately $96.0 million.