Stockholders' Equity (Table Text Block)

12 Months Ended

Mar. 31, 2019

Stockholders' Equity Note [Abstract]

Common Stock Dividends

Common Stock Dividends
Declared Date		Per Share Amount	Record Date	Dividend Date
March 6, 2019	$	0.50	March 21, 2019	April 4, 2019
December 5, 2018		0.50	December 20, 2018	January 7, 2019
August 23, 2018		0.50	September 10, 2018	September 24, 2018
June 6, 2018		0.50	June 21, 2018	July 5, 2018
March 8, 2018		0.50	March 23, 2018	April 6, 2018
December 6, 2017		0.50	December 21, 2017	January 5, 2018
July 5, 2017		1.00	July 20, 2017	August 3, 2017