Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

A computation of the weighted average shares outstanding for the three months ended March 31, 2015 and 2014 follows:

	Three Months Ended March 31,
(amounts in millions, except per share amounts)	2015			2014
Net loss attributable to common stockholders	$	(26.7	)	$	(7.4	)
Basic weighted average common stock outstanding	191.9			107.2
Convertible and performance-based stock (1)	—			—
Dilutive weighted average common stock outstanding	191.9			107.2
Earnings per share attributable to common stockholders:
Basic	$	(0.14	)	$	(0.07	)
Diluted	$	(0.14	)	$	(0.07	)

¹  No share adjustments are included in the dilutive weighted average shares outstanding computation as their effect would have been anti-dilutive.

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

For the three months ended March 31, 2015 and 2014, the following weighted-average securities were not included in the computation of diluted shares outstanding because the effect would be anti-dilutive or because performance targets were not yet achieved for awards contingent upon performance.

	Three Months Ended March 31,
(amounts in thousands)	2015	2014
Number of shares contingently issuable for founder preferred share dividend rights	2,168	8,783
Number of shares issuable upon conversion of warrants	—	4,510
Number of shares issuable upon conversion of the PDH non-controlling interest	8,619	8,775
Number of shares issuable upon conversion of founder preferred shares	2,000	2,000
Number of shares issuable upon conversion of Series B preferred shares	11,299	—
Number of shares contingently issuable for the contingent consideration	1,333	525
Number of shares issuable upon conversion of the 401k exchange rights	—	1,076
Number of stock options	87	66
Number of restricted stock shares and units	57	—
	25,563	25,735