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Earnings Per Share | 6 Months Ended
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Jun. 30, 2014
Earnings Per Share [Abstract] |
Earnings Per Share | 8. Earnings Per Share The following is a reconciliation of the basic and diluted earnings per share computation:
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2014 |  |  | 2013 |  |  | 2014 |  |  | 2013 |
|  | (shares in thousands) |  |  | (shares in thousands) |
Net income |  | $ | 10,602 |  |  | $ | 12,242 |  |  | $ | 40,806 |  |  | $ | 20,096 |
Shares of common stock and common stock equivalents: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted averages shares used in basic computation |  |  | 131,533 |  |  |  | 125,771 |  |  |  | 131,235 |  |  |  | 125,605 |
Dilutive effect of stock options and unvested restricted stock |  |  | 6,725 |  |  |  | 14,310 |  |  |  | 7,266 |  |  |  | 14,111 |
Weighted averages shares used in dilutive computation |  |  | 138,258 |  |  |  | 140,081 |  |  |  | 138,501 |  |  |  | 139,716 |
Basic earnings per share |  | $ | 0.08 |  |  | $ | 0.10 |  |  | $ | 0.31 |  |  | $ | 0.16 |
Dilutive earnings per share |  | $ | 0.08 |  |  | $ | 0.09 |  |  | $ | 0.29 |  |  | $ | 0.14 |
Diluted earnings per share reflects the reduction in earnings per share assuming options or other contracts to issue common stock were exercised or converted into common stock under the treasury stock method. The dilutive effect of options to purchase shares of common stock and restricted shares were included in the diluted earnings per share in the three and six months ended June 30, 2014 and 2013, respectively. 584,947 and 986,092 restricted shares determined to be anti-dilutive were not included in the calculation of diluted earnings per share for the three and six months ended June 30, 2014, respectively.

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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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