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Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2013

Earnings Per Share [Abstract]

Schedule of reconciliation of the numerator and denominator used in the calculation 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 Years Ended December 31,
	2011				2012				2013
Numerator
Net income (controlling interest)	$	164.9			$	174.0			$	360.5
Interest expense on convertible securities, net of taxes	—				—				10.5
Net income (controlling interest), as adjusted	$	164.9			$	174.0			$	371.0
Denominator
Average shares outstanding—basic	51.8				51.7				53.1
Effect of dilutive instruments:
Stock options and other awards	1.2				1.3				1.3
Forward sale	—				—				0.3
Junior convertible securities	—				—				2.0
Average shares outstanding—diluted	53.0				53.0				56.7

Diluted earnings per share calculations excluding the anti-dilutive effect of shares

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

	For the Years Ended December 31,
	2011			2012			2013
Stock options and other awards	1.2			0.7			0.1
Senior convertible securities	3.6			3.6			2.1
Junior convertible trust preferred securities	4.2			4.2			2.2
Forward equity sales	—			0.2			—

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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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