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Common and Common Equivalent Shares | 12 Months Ended
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Dec. 31, 2014
Earnings Per Share [Abstract] |
Common and Common Equivalent Shares | 12. Common and Common Equivalent Shares: The calculation of shares used in the basic and diluted net income per share calculation for the years ended December 31, 2014, 2013 and 2012 is as follows (in thousands):
|  | Years Ended December 31, |
|  | 2014 |  |  | 2013 |  |  | 2012 |
Weighted average number of common shares outstanding |  |  | 98,588 |  |  |  | 99,112 |  |  |  | 97,386 |
Weighted average number of dilutive common share equivalents |  |  | 1,299 |  |  |  | 1,857 |  |  |  | 1,996 |
Weighted average number of common and common equivalent shares outstanding |  |  | 99,887 |  |  |  | 100,969 |  |  |  | 99,382 |
Antidilutive securities not included in the diluted net income per common share calculation |  |  | 1 |  |  |  | 35 |  |  |  | 58 |

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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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