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Earnings Per Share | 9 Months Ended
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Sep. 30, 2013
Earnings Per Share [Abstract] |
Earnings Per Share |
5. | EARNINGS PER SHARE
The following table sets forth the details of basic and diluted earnings per share (EPS):
|  | Three months ended September 30 |
In thousands, except per share |  | 2013 |  |  | 2012 |
Net income |  | $ | 34,119 |  |  | $ | 20,099 |
Weighted average common shares outstanding used in basic EPS |  |  | 43,251 |  |  |  | 42,837 |
Common shares issuable upon exercise of dilutive stock options and PSAs / RSUs |  |  | 1,077 |  |  |  | 830 |
Weighted average common shares outstanding and common share equivalents used in diluted EPS |  |  | 44,328 |  |  |  | 43,667 |
Earnings per share |  |  |  |  |  |  |  |
Basic |  | $ | 0.79 |  |  | $ | 0.47 |
Diluted |  |  | 0.77 |  |  |  | 0.46 |
|  | Nine months ended September 30 |
In thousands, except per share |  | 2013 |  |  | 2012 |
Net income |  | $ | 50,681 |  |  | $ | 52,409 |
Weighted average common shares outstanding used in basic EPS |  |  | 43,118 |  |  |  | 42,814 |
Common shares issuable upon exercise of dilutive stock options and PSAs / RSUs |  |  | 1,095 |  |  |  | 781 |
Weighted average common shares outstanding and common share equivalents used in diluted EPS |  |  | 44,213 |  |  |  | 43,595 |
Earnings per share |  |  |  |  |  |  |  |
Basic |  | $ | 1.18 |  |  | $ | 1.22 |
Diluted |  |  | 1.15 |  |  |  | 1.20 |
The following table sets forth potential common shares outstanding for stock options and restricted stock units that were not included in the computation of diluted EPS for the period indicated, because their effect would be anti-dilutive:
in thousands |  | 2013 |  |  | 2012 |
Three months ended September 30 |  |  | — |  |  |  | 8 |
Nine months ended September 30 |  |  | — |  |  |  | 158 |

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- Definition The entire disclosure for earnings per share. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1252-109256 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=32703322&loc=d3e4984-109258 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.21) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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