XML 82 R29.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Earnings Per Share (Tables) | 6 Months Ended
--- | ---
Jun. 30, 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 Three Months Ended June 30, |  | For the Six Months Ended June 30,
| 2012 |  | 2013 |  | 2012 |  | 2013
Numerator |  |  |  |  |  |  |
Net income (controlling interest) | $ | 6.6 |  |  | $ | 64.7 |  |  | $ | 44.0 |  |  | $ | 127.1 |
Denominator |  |  |  |  |  |  |
Average shares outstanding—basic | 51.4 |  |  | 53.1 |  |  | 51.5 |  |  | 52.9 |
Effect of dilutive instruments: |  |  |  |  |  |  |
Stock options and restricted stock | 1.3 |  |  | 1.2 |  |  | 1.3 |  |  | 1.2 |
Forward equity sales | — |  |  | 0.3 |  |  | — |  |  | 0.3 |
Average shares outstanding—diluted | 52.7 |  |  | 54.6 |  |  | 52.8 |  |  | 54.4 |
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 Three Months Ended June 30, |  | For the Six Months Ended June 30,
| 2012 |  | 2013 |  | 2012 |  | 2013
Stock options and restricted stock | 1.2 |  |  | — |  |  | 1.2 |  |  | — |
Senior convertible securities | 3.7 |  |  | 3.6 |  |  | 3.7 |  |  | 3.6 |
Junior convertible trust preferred securities | 4.1 |  |  | 4.1 |  |  | 4.1 |  |  | 4.1 |

X
- Details
Name: | us-gaap_EarningsPerShareAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the numerators and the denominators of the basic and diluted per-share (or per-unit) computations for income from continuing operations, including the effect that has been given to preferred dividends. + 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 (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
Name: | us-gaap_ScheduleOfCalculationOfNumeratorAndDenominatorInEarningsPerShareTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration