XML 13 R33.htm IDEA: XBRL DOCUMENT v2.4.0.6
Earnings Per Share (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
BASIC EPS          
Net income (loss) $ (109,705) $ 9,425 $ (102,912) $ 17,342 $ 44,198
Weighted-average common shares outstanding used in earnings per share computations 63,007 63,371 62,959 63,538  
Basic earnings (loss) per common share $ (1.74) $ 0.15 $ (1.63) $ 0.27  
DILUTED EPS          
Net income (loss) $ (109,705) $ 9,425 $ (102,912) $ 17,342 $ 44,198
Shares used in diluted earnings per share computations 63,315 63,703 63,294 63,974  
Diluted earnings (loss) per common share $ (1.74) $ 0.15 $ (1.63) $ 0.27  
Computation of shares used in earnings per share computations:          
Weighted-average outstanding common shares 63,007 63,371 62,959 63,538  
Weighted-average common equivalent shares - dilutive effect of stock options and awards 308 332 335 436  
Shares used in diluted earnings per share computations 63,315 63,703 63,294 63,974