XML 144 R50.htm IDEA: XBRL DOCUMENT v3.8.0.1
Net Income Per Share (Schedule of Income Per Share) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Income Per Share Calculation [Line Items]    
Net income (loss) allocable to common stockholders $ (27.0) $ 6.6
Weighted average number of shares outstanding, basic 9,103 9,063
Potentially dilutive shares related to stock options   111
Weighted average number of shares outstanding, diluted 9,103 9,174
Net income (loss) per common share - basic $ (2.97) $ 0.73
Net income (loss) per common share - diluted $ (2.97) $ 0.72
Antidilutive securities excluded from computation of earnings per share 100 100
Options with exercise price greater than market price 400