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Shareholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2014
Equity [Abstract] |
Summary of Outstanding Shares of Common Stock | The following table summarizes outstanding shares of common stock:
|  | Year ended December 31 |
In thousands |  |  | 2014 |  |  |  | 2013 |  |  |  | 2012 |
Shares outstanding at beginning of year |  |  | 43,130 |  |  |  | 42,784 |  |  |  | 42,650 |
Shares repurchased |  |  | (464 | ) |  |  | – |  |  |  | (374 | )
Treasury shares issued for: |  |  |  |  |  |  |  |  |  |  |  |
Restricted stock awards |  |  | 162 |  |  |  | 86 |  |  |  | 76 |
401(k) plan |  |  | 116 |  |  |  | 123 |  |  |  | 152 |
Employee stock options exercised |  |  | 110 |  |  |  | 137 |  |  |  | 280 |
Shares outstanding at end of year |  |  | 43,054 |  |  |  | 43,130 |  |  |  | 42,784 |

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- Definition Tabular disclosure of the change in common stock outstanding. + References No definition available. + Details
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