XML 64 R36.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Net Income Per Share (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2013
Earnings Per Share [Abstract] |
Calculation of Net Income Per Share | The calculation of net income per share for the three years ended December 31, 2013 is reflected in the following table (in thousands, except per share amounts):
|  | Years Ended December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Basic net income per share: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 252,195 |  |  | $ | 209,942 |  |  | $ | 149,922 |
Income allocated to participating securities |  |  | 3 |  |  |  | 1,081 |  |  |  | 2,159 |
Net income available to common stockholders |  | $ | 252,192 |  |  | $ | 208,861 |  |  | $ | 147,763 |
Basic weighted average shares |  |  | 136,153 |  |  |  | 138,201 |  |  |  | 140,479 |
Basic net income per share |  | $ | 1.85 |  |  | $ | 1.51 |  |  | $ | 1.05 |
Diluted net income per share: |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 252,195 |  |  | $ | 209,942 |  |  | $ | 149,922 |
Income allocated to participating securities |  |  | 3 |  |  |  | 1,075 |  |  |  | 2,150 |
Net income available to common stockholders |  | $ | 252,192 |  |  | $ | 208,867 |  |  | $ | 147,772 |
Basic weighted average shares |  |  | 136,153 |  |  |  | 138,201 |  |  |  | 140,479 |
Dilutive effect of potential common shares |  |  | 1,436 |  |  |  | 1,208 |  |  |  | 1,311 |
Diluted weighted average shares |  |  | 137,589 |  |  |  | 139,409 |  |  |  | 141,790 |
Diluted net income per share |  | $ | 1.83 |  |  | $ | 1.50 |  |  | $ | 1.04 |
Weighted Average Diluted Common Shares Outstanding | The weighted average diluted common shares outstanding for the years ended December 31, 2013, 2012 and 2011, excludes the effect of the following (in thousands):
|  | Years Ended December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Total number of anti-dilutive potential common shares |  |  | — |  |  |  | 227 |  |  |  | 475 |

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 + Details
Name: | us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
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