Earnings Per Common Share (Tables)

12 Months Ended

Dec. 31, 2015

Dec. 31, 2014

Dec. 31, 2013

Schedule of Earnings Per Common Share, Basic and Diluted [Line Items]

Schedule of Calculation of Numerator and Denominator in Earnings Per Share

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

	Year Ended December 31, 2015
(in millions, except per share amounts)	Continuing Operations		Discontinued Operations		Total
Numerator:
Net income (loss)	$	290.8	$	62.9	$	353.7
Preferred stock dividends	10.4		—		10.4
Net income (loss) applicable to common shareowners - basic and diluted	$	280.4	$	62.9	$	343.3
Denominator:
Weighted-average common shares outstanding - basic	209.6		209.6		209.6
Stock-based compensation arrangements	0.6		0.6		0.6
Weighted-average common shares outstanding - diluted	210.2		210.2		210.2
Basic earnings (loss) per common share	$	1.34	$	0.30	$	1.64
Diluted earnings (loss) per common share	$	1.33	$	0.30	$	1.63

	Year Ended December 31, 2014
(in millions, except per share amounts)	Continuing Operations		Discontinued Operations			Total
Numerator:
Net income (loss)	$	117.7	$	(42.1	)	$	75.6
Preferred stock dividends	10.4		—			10.4
Net income (loss) applicable to common shareowners - basic and diluted	$	107.3	$	(42.1	)	$	65.2
Denominator:
Weighted-average common shares outstanding - basic	208.5		208.5			208.5
Stock-based compensation arrangements	1.1		1.1			1.1
Weighted-average common shares outstanding - diluted	209.6		209.6			209.6
Basic and diluted earnings (loss) per common share	$	0.51	$	(0.20	)	$	0.31

	Year Ended December 31, 2013
(in millions, except per share amounts)	Continuing Operations			Discontinued Operations		Total
Numerator:
Net income (loss)	$	(64.9	)	$	10.2	$	(54.7	)
Preferred stock dividends	10.4			—		10.4
Net income (loss) applicable to common shareowners - basic and diluted	$	(75.3	)	$	10.2	$	(65.1	)
Denominator:
Weighted-average common shares outstanding - basic and diluted	205.9			205.9		205.9
Basic and diluted earnings (loss) per common share	$	(0.37	)	$	0.05	$	(0.32	)