XML 93 R45.htm IDEA: XBRL DOCUMENT v3.19.3
Earnings Per Share (Details) - USD ($)
$ / shares in Units, $ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Basic and Diluted Earnings per share        
Weighted average basic common shares outstanding (in shares) 17,961,555 19,252,948 17,889,572 19,858,643
Dilutive effect of employee stock purchases, net of assumed repurchase of treasury stock (in shares) 17,145 8,122 17,978 8,876
Weighted average dilutive common shares (in shares) 17,978,700 19,261,070 17,907,550 19,867,519
Basic        
Net income (loss) $ 38.0 $ 34.8 $ 125.9 $ 127.1
Less: Earnings (loss) allocated to participating securities 1.4 1.2 4.7 4.3
Net income (loss) available to basic common shares $ 36.6 $ 33.6 $ 121.2 $ 122.8
Basic earnings (loss) per common share (in dollars per share) $ 2.04 $ 1.74 $ 6.78 $ 6.18
Diluted        
Net income (loss) $ 38.0 $ 34.8 $ 125.9 $ 127.1
Less: Earnings (loss) allocated to participating securities 1.4 1.2 4.7 4.3
Net income (loss) available to diluted common shares $ 36.6 $ 33.6 $ 121.2 $ 122.8
Diluted earnings (loss) per common share (in dollars per share) $ 2.04 $ 1.74 $ 6.77 $ 6.18