XML 28 R18.htm IDEA: XBRL DOCUMENT v3.2.0.727
Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Earnings Per Share [Abstract]        
Income from continuing operations for calculating basic and diluted earnings per share $ 13,339 $ 16,015 $ 30,127 $ 38,969
Loss from discontinued operations 0 0 0 (272)
Net income $ 13,339 $ 16,015 $ 30,127 $ 38,697
Weighted-average common shares for calculating basic earnings per share (shares) 28,196 28,938 28,299 28,945
Stock options and nonvested awards (shares) 215 403 216 396
Weighted-average common shares for calculating diluted earnings per share (shares) 28,411 29,341 28,515 29,341
Basic earnings per share:        
Income from continuing operations (in dollars per share) $ 0.47 $ 0.55 $ 1.06 $ 1.35
Income from discontinued operations (in dollars per share) 0.00 0.00 0.00 (0.01)
Net income per basic share (in dollars per share) 0.47 0.55 1.06 1.34
Diluted earnings per share:        
Income from continuing operations (in dollars per share) 0.47 0.55 1.06 1.33
Income from discontinued operations (in dollars per share) 0.00 0.00 0.00 (0.01)
Net income per diluted share (in dollars per share) $ 0.47 $ 0.55 $ 1.06 $ 1.32