XML 50 R36.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Net Income Per Share (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2015
Earnings Per Share [Abstract] |
Calculation of Net Income Per Share | The calculation of net income per share for the three years ended December 31, 2015 is reflected in the following table (in thousands, except per share amounts):
|  | Years Ended December 31,
|  | 2015 |  | 2014 |  | 2013
Basic net income per share: |  |  |  |  |  |
Net income |  | $ | 357,796 |  |  | $ | 305,928 |  |  | $ | 252,195 |
Income allocated to participating securities |  | — |  |  | — |  |  | 3 |
Net income available to common stockholders |  | $ | 357,796 |  |  | $ | 305,928 |  |  | $ | 252,192 |
Basic weighted average shares |  | 131,749 |  |  | 134,358 |  |  | 136,153 |
Basic net income per share |  | $ | 2.72 |  |  | $ | 2.28 |  |  | $ | 1.85 |
Diluted net income per share: |  |  |  |  |  |
Net income |  | $ | 357,796 |  |  | $ | 305,928 |  |  | $ | 252,195 |
Income allocated to participating securities |  | — |  |  | — |  |  | 3 |
Net income available to common stockholders |  | $ | 357,796 |  |  | $ | 305,928 |  |  | $ | 252,192 |
Basic weighted average shares |  | 131,749 |  |  | 134,358 |  |  | 136,153 |
Dilutive effect of potential common shares |  | 1,181 |  |  | 1,183 |  |  | 1,436 |
Diluted weighted average shares |  | 132,930 |  |  | 135,541 |  |  | 137,589 |
Diluted net income per share |  | $ | 2.69 |  |  | $ | 2.26 |  |  | $ | 1.83 |

X
- References No definition available. + 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