XML 55 R30.htm IDEA: XBRL DOCUMENT v3.10.0.1
Research and Development Expenditures (Tables)
 6 Months Ended
Jun. 30, 2018
Research and Development [Abstract]  
Gross and net expenditures on research and development ("R&D") activities
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
(in millions)
2018
 
2017
 
2018
 
2017
Gross R&D expenditures
$
134.4

 
$
119.7

 
$
264.1

 
$
231.7

Customer reimbursements
(22.0
)
 
(14.8
)
 
(35.0
)
 
(30.4
)
Net R&D expenditures
$
112.4

 
$
104.9

 
$
229.1

 
$
201.3