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Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2014

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Earnings Per Share

The following is a reconciliation of the numerator and denominator used in the calculation of basic and diluted earnings per share available to common stockholders.

	For the Three Months Ended September 30,								For the Nine Months Ended September 30,
	2013				2014				2013				2014
Numerator
Net income (controlling interest)	$	75.2			$	104.3			$	202.3			$	281.5
Convertible securities interest expense, net	2.6				3.8				—				—
Net income (controlling interest), as adjusted	$	77.8			$	108.1			$	202.3			$	281.5
Denominator
Average shares outstanding—basic	53.2				55.6				53.0				54.9
Effect of dilutive instruments:
Contingently convertible securities	2.0				2.1				—				—
Stock options and restricted stock	1.3				1.1				1.4				1.1
Forward equity	0.4				—				0.3				0.1
Average shares outstanding—diluted	56.9				58.8				54.7				56.1

Schedule of Shares Excluded from Calculation of Basic and Diluted Earnings Per Share

The diluted earnings per share calculations in the table above exclude the anti-dilutive effect of the following shares:

	For the Three Months Ended September 30,						For the Nine Months Ended September 30,
	2013			2014			2013			2014
Stock options and restricted stock	0.0			0.2			0.0			0.2
Senior convertible securities	1.3			—			2.9			—
Junior convertible securities	2.2			—			4.2			2.6

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- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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