Quarterly report pursuant to Section 13 or 15(d)

Earnings/(Loss) Per Share (Details)

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Earnings/(Loss) Per Share (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Basic and Diluted (Loss)/Earnings Per Common Share        
Basic weighted average number of shares outstanding 35,216 32,417 33,541 32,358
Convertible debt 0 [1] 0 [1] 0 [1] 0 [1]
Effect of dilutive securities:        
Stock options and restricted stock 545 [2] 0 [2] 469 [2] 0 [2]
Diluted weighted average shares outstanding 35,761 32,417 34,010 32,358
Net income/(loss) $ 6,784 $ (3,235) $ 10,035 $ (9,332)
Basic (loss)/income per share $ 0.19 $ (0.10) $ 0.30 $ (0.29)
Diluted (loss)/income per share $ 0.19 [1],[2] $ (0.10) [1],[2] $ 0.30 [1],[2] $ (0.29) [1],[2]
Antidilutive stock options not included in the calculation of diluted income per share 530 1,665 348 1,769
[1] During the quarter ended September 30, 2012, we issued $126.5 million of 1.875% convertible senior notes convertible into shares of our common stock at a rate of 17.1985 shares per $1,000 principle amount. In accordance with ASC Subtopic 260-10, Earnings Per Share, ("ASC 260-10") we calculate the dilutive effect of convertible securities using the "if-converted" method. The effect of the convertible debt was not included in the diluted earnings per share calculations for the three and nine months ended September 30, 2012 as it would have been anti-dilutive.
[2] For periods with a net loss, no options or non-vested shares are included in the dilution calculation as all options and non-vested shares outstanding are considered anti-dilutive.