Common Equity (Tables)

3 Months Ended

Mar. 31, 2015

Equity [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

Basic and diluted earnings per share for the Company were calculated as follows:

	Three Months Ended March 31,
(In millions except per share data)	2015		2014
Net Income	$	43.2	$	49.3
Average Common Shares Outstanding
Basic average common shares outstanding	199.5		198.8
Effect of dilutive securities:
Contingently issuable shares (performance and restricted stock units)	—		0.7
Diluted average common shares outstanding	199.5		199.5
Basic Earnings Per Average Common Share	$	0.22	$	0.25
Diluted Earnings Per Average Common Share	$	0.22	$	0.25
Anti-dilutive shares excluded from earnings per share calculation	—		—