XML 86 R66.htm IDEA: XBRL DOCUMENT v3.19.2
(Loss) earnings per share (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Numerator:        
Net (loss) earnings $ (9.5) $ 50.1 $ (35.6) $ 45.2
Denominator:        
Weighted-average number of shares-basic (in shares) 51,500,000 49,900,000 51,300,000 49,700,000
Dilutive securities-equity awards (in shares) 0 1,300,000 0 1,300,000
Weighted-average number of shares-diluted (in shares) 51,500,000 51,200,000 51,300,000 51,000,000.0
Net income per share - basic (in dollars per share) $ (0.18) $ 1.00 $ (0.69) $ 0.91
Net income per share - diluted (in dollars per share) $ (0.18) $ 0.98 $ (0.69) $ 0.89
Antidilutive securities excluded from computation of earnings per share 3,000,000   3,000,000.0