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Earnings Per Share (Tables) | 3 Months Ended
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Mar. 31, 2016
Earnings Per Share [Abstract] |
Schedule Computing 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 Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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