XML 22 R42.htm IDEA: XBRL DOCUMENT v3.2.0.727
NET EARNINGS PER SHARE (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Net Earnings (Numerator) [Abstract]        
Basic EPS - Net earnings $ 14,916 $ 9,732 $ 30,088 $ 18,626
Diluted EPS - Net earnings $ 14,916 $ 9,732 $ 30,088 $ 18,626
Number of Shares (Denominator) [Abstract]        
Basic EPS - Weighted average common shares outstanding (in shares) 31,111,155 30,280,366 30,976,681 30,213,536
Effect of dilutive securities - stock options and restricted stock (in shares) 521,119 869,413 547,925 898,153
Diluted EPS - Weighted average common shares outstanding and effect of stock options and restricted stock (in shares) 31,632,274 31,149,779 31,524,606 31,111,689
Per Share Amount [Abstract]        
Basic EPS - Net earnings (in dollars per share) $ 0.48 $ 0.32 $ 0.97 $ 0.62
Diluted EPS - Net earnings (in dollars per share) $ 0.47 $ 0.31 $ 0.95 $ 0.60
Stock Options [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Anti-dilutive stock options outstanding, excluded from diluted earnings per share calculation (in shares)     259,872 154,476