XML 35 R25.htm IDEA: XBRL DOCUMENT v3.8.0.1
Stock-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Share-based Compensation, Stock Options, Activity [Table Text Block]
 
Quarter Ended March 31,
Dollar amounts in millions
2018
 
2017
Total stock-based compensation expense (cost of sales and general and administrative)
$
2.2

 
$
4.1

Income tax provision (benefit) related to stock-based compensation
$
(2.2
)
 
$
—

Impact on cash flow due to taxes paid related to net share settlement of equity awards
$
5.7

 
$
4.7