XML 55 R45.htm IDEA: XBRL DOCUMENT v3.21.2
Net Income Per Share (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Numerator (basic and diluted):        
Net income $ 1.8 $ 21.5 $ 23.4 $ 44.0
Less: Dividends paid to participating securities (0.2) (0.2) (0.3) (0.4)
Undistributed Earnings (Loss) Allocated to Participating Securities, Diluted 0.1 (0.1) 0.0 (0.2)
Less: Undistributed earnings available to participating securities 0.1 (0.1) 0.0 (0.2)
Net Income (Loss) Available to Common Stockholders, Diluted 1.7 21.2 23.1 43.4
Undistributed and distributed earnings available to common stockholders $ 1.7 $ 21.2 $ 23.1 $ 43.4
Denominator:        
Average number of common shares outstanding (in shares) 31,045,100 30,792,600 31,009,900 30,752,500
Effect of dilutive stock-based compensation (in shares) 357,300 214,100 361,800 205,900
Average number of common and potential common shares outstanding (in shares) 31,402,400 31,006,700 31,371,700 30,958,400