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Earnings per Share | 3 Months Ended
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Mar. 31, 2016
Earnings per Share [Abstract] |
Earnings per Share | (3) Earnings per Share (EPS) ﻿ Basic EPS is calculated by dividing net income by the weighted-average number of common shares outstanding during the period, to which dilutive securities are included in the calculation of diluted EPS, using the treasury stock method. The calculations of the basic and diluted EPS for the three months ended March 31, 2016 and 2015 are presented below:
﻿ |  |  |  |  |
﻿ |  |  |  |  |
﻿ | Three Months Ended March 31,
﻿(in thousands, except per share data) | 2016 |  | 2015
﻿Net income | $ | 15,400 |  | $ | 5,126
﻿ |  |  |  |  |
﻿Weighted-average common shares outstanding - basic |  | 49,079 |  |  | 48,747
﻿Effect of diluted stock options and unvested restricted stock |  | 206 |  |  | 796
﻿Weighted-average common shares outstanding - diluted |  | 49,285 |  |  | 49,543
﻿ |  |  |  |  |
﻿Net income per share: |  |  |  |  |
﻿Basic | $ | 0.31 |  | $ | 0.11
﻿Diluted | $ | 0.31 |  | $ | 0.10
﻿Anti-dilutive securities not included above |  | 1,704 |  |  | 529
﻿

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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 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1278-109256 Reference 2: 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 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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