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Earnings Per Share | 3 Months Ended
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Mar. 31, 2017
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) |  | 2017 |  | 2016
Net income attributable to the Company |  | $10,839 |  |  | $13,501 |
Weighted average number of shares: |  |  |  |  |  |
Weighted average number of shares used in |  |  |  |  |  |
calculating basic net income per share |  | 32,128 |  |  | 32,041 |
Effect of dilutive stock-based compensation plans: |  |  |  |  |  |
Stock options |  | 36 |  |  | 40 |
Weighted average number of shares used in |  |  |  |  |  |
calculating diluted net income per share |  | 32,164 |  |  | 32,081 |
Average market price of common stock used |  |  |  |  |  |
for calculation of dilutive shares |  | $46.49 |  |  | $35.23 |
Net income per share: |  |  |  |  |  |
Basic |  | $0.34 |  |  | $0.42 |
Diluted |  | $0.34 |  |  | $0.42 |

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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 -URI http://asc.fasb.org/topic&trid=2144383 + Details
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