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Earnings Per Share | 3 Months Ended
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Mar. 31, 2016
Earnings Per Share [Abstract] |
Earnings Per Share | 8. Earnings Per Share The amounts used in computing earnings per share and the weighted average number of shares of potentially dilutive securities are as follows:
|  | Three months ended March 31,
(in thousands, except market price and earnings per share) |  | 2016 |  | 2015
Net income attributable to the Company |  | $13,501 |  |  | $12,213 |
Weighted average number of shares: |  |  |  |  |  |
Weighted average number of shares used in |  |  |  |  |  |
calculating basic net income per share |  | 32,041 |  |  | 31,882 |
Effect of dilutive stock-based compensation plans: |  |  |  |  |  |
Stock options |  | 40 |  |  | 90 |
Weighted average number of shares used in |  |  |  |  |  |
calculating diluted net income per share |  | 32,081 |  |  | 31,972 |
Average market price of common stock used |  |  |  |  |  |
for calculation of dilutive shares |  | $35.23 |  |  | $37.36 |
Earnings per share attributable to Company shareholders: |  |  |  |  |  |
Basic |  | $0.42 |  |  | $0.38 |
Diluted |  | $0.42 |  |  | $0.38

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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=64863997&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=64863997&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=65016374&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=63488584&loc=d3e20235-122688 + Details
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