XML 48 R38.htm IDEA: XBRL DOCUMENT v3.22.2.2
Earnings Per Share - Summary of Earnings Per Share (Detail) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Numerator (in millions):        
Net income available to common stockholders $ 38.7 $ 23.4 $ 107.5 $ 69.2
Denominator (in thousands):        
Weighted average common shares outstanding 24,786,000 24,643,000 24,794,000 24,624,000
Dilutive effect of stock options and awards 179,000 221,000 182,000 248,000
Denominator for diluted earnings per share 24,965,000 24,864,000 24,976,000 24,872,000
Net income per share, basic: $ 1.56 $ 0.95 $ 4.34 $ 2.81
Net income per share, diluted: $ 1.55 $ 0.94 $ 4.3 $ 2.78