Stockholders' Equity Dividends Declared (Tables)

9 Months Ended

Sep. 30, 2017

Dividends Declared [Abstract]

Dividends Declared [Table Text Block]

The following is a summary of each dividend declared during fiscal year 2017 and 2016:

Declaration Date	Dividend per Common Share		Record Date	Payment Date
February 10, 2016	$	0.3250	February 23, 2016	March 10, 2016
May 5, 2016	$	0.3350	May 18, 2016	June 2, 2016
August 2, 2016	$	0.3450	August 17, 2016	September 1, 2016
November 1, 2016	$	0.3550	November 18, 2016	December 5, 2016
February 9, 2017	$	0.3650	February 22, 2017	March 9, 2017
May 4, 2017	$	0.3750	May 19, 2017	June 2, 2017
August 2, 2017	$	0.3850	August 14, 2017	September 1, 2017