XML 49 R39.htm IDEA: XBRL DOCUMENT v3.20.2
Earnings Per Share - Computation of Basic Earnings and Diluted Earnings Per Share Data (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Numerator for basic and diluted earnings per share:        
Net income $ 53,892 $ 31,999 $ 101,442 $ 59,347
Denominator:        
Weighted-average basic common shares outstanding (in shares) 39,963 38,402 39,984 38,462
Assumed conversion of dilutive securities:        
Stock awards (in shares) 1,453 1,411 1,548 1,344
Denominator for diluted earnings per share - Adjusted weighted-average shares (in shares) 41,416 39,813 41,532 39,806
Earnings per common share:        
Basic (usd per share) $ 1.35 $ 0.83 $ 2.54 $ 1.54
Diluted (usd per share) $ 1.30 $ 0.80 $ 2.44 $ 1.49