v2.4.0.8

Earnings Per Share (Tables) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2013 | Dec. 31, 2012
Earnings Per Share [Abstract] |  |
Computation Of Earnings Per Share | The following chart sets forth the computation of earnings per share (in thousands, except per share amounts):
| Three Months Ended |  | Nine Months Ended
| September 30, |  | September 30,
| 2013 |  | 2012 |  | 2013 |  | 2012
Net income | $ | 73,445 |  |  | $ | 54,048 |  |  | $ | 233,759 |  |  | $ | 199,037 |
Denominator for basic earnings per share—weighted average shares outstanding | 300,223 |  |  | 296,437 |  |  | 299,213 |  |  | 295,338 |
Effect of dilutive securities: |  |  |  |  |  |  |
RSUs | 883 |  |  | 430 |  |  | 775 |  |  | 436 |
Stock options | 3,564 |  |  | 4,241 |  |  | 3,765 |  |  | 4,398 |
Restricted stock | 15 |  |  | 64 |  |  | 18 |  |  | 54 |
Denominator for diluted earnings per share—Adjusted weighted average shares outstanding | 304,685 |  |  | 301,172 |  |  | 303,771 |  |  | 300,226 |
Earnings per share, basic | $ | 0.24 |  |  | $ | 0.18 |  |  | $ | 0.78 |  |  | $ | 0.67 |
Earnings per share, diluted | $ | 0.24 |  |  | $ | 0.18 |  |  | $ | 0.77 |  |  | $ | 0.66 |
| The following chart sets forth the computation of earnings per share (in thousands, except per share amounts):
| Year Ended December 31,
| 2012 |  | 2011 |  | 2010
Income from continuing operations | $ | 261,225 |  |  | $ | 210,264 |  |  | $ | 167,118 |
Denominator for basic earnings per share—Weighted-average shares outstanding | 295,810 |  |  | 292,252 |  |  | 286,542 |
Effect of dilutive securities: |  |  |  |  |
RSUs | 479 |  |  | 182 |  |  | — |
Stock options | 4,346 |  |  | 4,250 |  |  | 5,118 |
Restricted stock | 58 |  |  | 66 |  |  | 54 |
Denominator for diluted earnings per share—Adjusted weighted-average shares outstanding | 300,693 |  |  | 296,750 |  |  | 291,714 |
Basic earnings per share from continuing operations | $ | 0.88 |  |  | $ | 0.72 |  |  | $ | 0.58 |
Diluted earnings per share from continuing operations | $ | 0.87 |  |  | $ | 0.71 |  |  | $ | 0.57 |
Schedule Of Antidilutive Securities Excluded From Computation Of Diluted Earnings Per Share |  | The following table sets forth the number of employee stock-based compensation awards outstanding but not included in the computation of diluted earnings per share because their effect would have been antidilutive (in thousands):
| Year Ended December 31,
| 2012 |  | 2011 |  | 2010
Antidilutive securities: |  |  |  |  |
Stock options | — |  |  | 2,340 |  |  | 5,714 |
Restricted stock | — |  |  | — |  |  | 80 |

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 an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
Name: | us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration