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STOCK-BASED COMPENSATION - Stock-Based Compensation Expense (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Allocation of stock-based compensation expense    
Total stock-based compensation expense $ 32.4 $ 28.2
Income tax benefit (4.4) (3.9)
Total stock-based compensation expense, net of tax 28.0 24.3
Cost of sales    
Allocation of stock-based compensation expense    
Total stock-based compensation expense 6.2 5.5
Selling, general, and administrative expenses    
Allocation of stock-based compensation expense    
Total stock-based compensation expense 18.7 16.5
Research and development expenses    
Allocation of stock-based compensation expense    
Total stock-based compensation expense $ 7.5 $ 6.2