Stock-Based Compensation (tables)

3 Months Ended

Mar. 31, 2012

Share Based Compensation Abstract

LTIP Assumptions [Table Text Block]

Stock price on valuation date	$	48.00
Performance term (in years)		3.0
Quarterly dividends paid per share	$	0.445
Expected dividend yield		3.6	%
Dividend discount factor		0.9012