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Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 2011
Earnings Per Share [Abstract] |
Schedule of 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:
(in thousands, except market price data) | 2011 | 2010 | 2009 |
Net income/(loss) available to common shareholders | $34,938 | $37,636 | ($33,458) |
Weighted average number of shares: |  |  |  |
Weighted average number of shares used in |  |  |  |
calculating basic net income/(loss) per share | 31,262 | 31,072 | 30,612 |
Effect of dilutive stock-based compensation plans: |  |  |  |
Stock options | 104 | 44 | - |
Long-term incentive plan | 144 | 93 | - |
Weighted average number of shares used in |  |  |  |
calculating diluted net income/(loss) per share | 31,510 | 31,209 | 30,612 |
Effect of stock-based compensation plans |  |  |  |
that were not included in the computation of |  |  |  |
diluted earnings per share because |  |  |  |
to do so would have been antidilutive | - | - | 82 |
Average market price of common stock used |  |  |  |
for calculation of dilutive shares | $23.44 | $20.49 | $14.11 |
Net income/(loss) per share: |  |  |  |
Basic | $1.12 | $1.21 | ($1.09) |
Diluted | $1.11 | $1.21 | ($1.09) |
As of December 31, 2011, 2010, and 2009, there was no dilution resulting from the convertible debt instrument, purchased call option, and warrant that are described in Note 13. |

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- Definition Tabular disclosure of the numerators and the denominators of the basic and diluted per-share (or per-unit) computations for income from continuing operations, including the effect that has been given to preferred dividends. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 260 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph (a) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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