Earnings Per Common Share (Tables)

6 Months Ended

Jun. 30, 2017

Earnings Per Share [Abstract]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block]

The following table shows the computation of basic and diluted EPS:

	Three Months Ended
	June 30,
(in millions, except per share amounts)	2017			2016
Numerator:
Net income	$	2.1		$	77.6
Preferred stock dividends	2.6			2.6
Net (loss) income applicable to common shareowners - basic and diluted	$	(0.5	)	$	75.0
Denominator:
Weighted average common shares outstanding - basic	42.2			42.0
Stock-based compensation arrangements	—			0.1
Weighted average common shares outstanding - diluted	42.2			42.1
Basic (loss) earnings per common share	$	(0.01	)	$	1.79
Diluted (loss) earnings per common share	$	(0.01	)	$	1.78

	Six Months Ended
	June 30,
(in millions, except per share amounts)	2017		2016
Numerator:
Net income	$	62.5	$	84.6
Preferred stock dividends	5.2		5.2
Net income applicable to common shareowners - basic and diluted	$	57.3	$	79.4
Denominator:
Weighted average common shares outstanding - basic	42.1		42.0
Stock-based compensation arrangements	0.2		0.1
Weighted average common shares outstanding - diluted	42.3		42.1
Basic earnings per common share	$	1.36	$	1.89
Diluted earnings per common share	$	1.35	$	1.89