Stockholders' Equity Dividends Declared (Tables)

3 Months Ended

Mar. 31, 2019

Dividends Declared [Abstract]

Dividends Declared [Table Text Block]

The following is a summary of each dividend declared during fiscal year 2019 and 2018:

Declaration Date	Dividend per Common Share		Record Date	Payment Date
February 2, 2018	$	0.4050	February 22, 2018	March 9, 2018
May 3, 2018	$	0.4150	May 18, 2018	June 1, 2018
August 8, 2018	$	0.4250	August 20, 2018	September 4, 2018
October 29, 2018	$	0.4350	November 19, 2018	December 5, 2018
February 6, 2019	$	0.4450	February 25, 2019	March 12, 2019