Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

Share-based Compensation [Abstract]

LTIP Assumptions [Table Text Block]

Stock price on valuation date	$	47.64
Performance term (in years)	3.0
Quarterly dividends paid per share	$	0.465
Expected dividend yield	3.8		%
Dividend discount factor	0.8966