Stock-Based Compensation (tables)

6 Months Ended

Jun. 30, 2011

Share Based Compensation Abstract

LTIP Assumptions [Table Text Block]

Stock price on valuation date	$	45.74
Performance term (in years)		3.0
Quarterly dividends paid per share	$	0.435
Expected dividend yield		3.7	%
Dividend discount factor		0.8930

SOP Assumptions [Table Text Block]

Risk-free interest rate	2.0	%
Expected life (in years)	4.5
Expected market price volatility factor	24.5	%
Expected dividend yield	3.8	%
Forfeiture rate	3.1	%