XML 81 R58.htm IDEA: XBRL DOCUMENT v3.19.1
STOCK-BASED COMPENSATION - Schedule of Stock-Based Compensation Expense (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Allocation of stock-based compensation expense    
Total stock-based compensation expense $ 20.8 $ 18.4
Cost of sales    
Allocation of stock-based compensation expense    
Total stock-based compensation expense 4.0 3.0
Selling, general, and administrative expenses    
Allocation of stock-based compensation expense    
Total stock-based compensation expense 4.1 3.6
Research and development expenses    
Allocation of stock-based compensation expense    
Total stock-based compensation expense $ 12.7 $ 11.8