XML 38 R31.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Earnings Per Share (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2014
Earnings Per Share [Abstract] |
Computation of Basic and Diluted Income Per Common Share | The following table sets forth the computation of basic and diluted income per common share for the periods presented (dollars and shares in thousands, except per share data).
| Three Months Ended March 31
| 2014 |  | 2013
Numerator: |  |  |
Net income | $ | 90,086 |  |  | $ | 62,294 |
Less: distributed and undistributed earnings allocated to participating securities | (1,402 | ) |  | — |
Net income attributable to common shareholders | $ | 88,684 |  |  | $ | 62,294 |
Denominator: |  |  |
Weighted average basic common shares outstanding | 96,787 |  |  | 96,415 |
Effect of dilutive securities | 36 |  |  | 1,001 |
Diluted common shares outstanding | 96,823 |  |  | 97,416 |
Basic income per common share | $ | 0.92 |  |  | $ | 0.65 |
Diluted income per common share | $ | 0.92 |  |  | $ | 0.64 |
All outstanding options to purchase shares at March 31, 2014 and 2013, were included in the computation of diluted common shares outstanding.

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 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 + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration