Earnings Per Share (Tables)

9 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

Summary of Basic and Diluted EPS

The following table sets forth the computation of basic and diluted EPS (share amounts in thousands):

	Three months ended June 30,						Nine months ended June 30,
	2014			2013			2014			2013
Net income (loss) attributable to common and participating preferred stockholders	$	49.0		$	91.6		$	(77.6	)	$	108.1
Participating shares at end of period:
Common shares outstanding	201,043			140,576			201,043			140,576
Preferred shares (as-converted basis)	—			61,987			—			61,987
Total	201,043			202,563			201,043			202,563
Percentage of income (loss) allocated to:
Common shares	100.0		%	69.4		%	100.0		%	69.4		%
Preferred shares (a)	—		%	30.6		%	—		%	30.6		%
Net income (loss) attributable to common shares - basic	$	49.0		$	63.6		$	(77.6	)	$	75.0
Dilutive adjustments to income (loss) attributable to common shares from assumed conversion of preferred shares, net of tax:
Income allocated to preferred shares in basic calculation	—			28.0			—			33.1
Reversal of preferred stock dividends and accretion	—			12.0			—			36.3
Reversal of income related to fair value of preferred stock conversion feature	—			(52.6		)	—			(81.9		)
Net adjustment	—			(12.6		)	—			(12.5		)
Net income (loss) attributable to common shares - diluted	$	49.0		$	51.0		$	(77.6	)	$	62.5
Weighted-average common shares outstanding - basic	172,967			140,292			150,675			139,832
Dilutive effect of preferred stock	—			62,413			—			62,555
Dilutive effect of unvested restricted stock and restricted stock units	3,798			1,853			—			2,231
Dilutive effect of stock options	1,281			662			—			612
Weighted-average shares outstanding - diluted	178,046			205,220			150,675			205,230
Net income (loss) per common share attributable to controlling interest:
Basic	$	0.28		$	0.45		$	(0.52	)	$	0.54
Diluted	$	0.28		$	0.25		$	(0.52	)	$	0.30