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CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS - USD ($)
shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Income Statement [Abstract]    
Net sales $ 1,341.2 $ 1,216.6
Cost of sales 299.3 293.4
Gross profit 1,041.9 923.2
Selling, general, and administrative expenses 370.3 330.8
Research and development expenses 228.6 207.0
Intellectual property litigation expenses, net 7.1 6.4
Change in fair value of contingent consideration liabilities (Note 4) (2.9) (4.5)
Operating income 438.8 383.5
Interest income, net (0.6) (0.3)
Other expense (income), net 3.3 (5.5)
Income before provision for income taxes 436.1 389.3
Provision for income taxes 62.5 51.1
Net income $ 373.6 $ 338.2
Earnings per share:    
Basic (in dollars per share) $ 0.60 $ 0.54
Diluted (in dollars per share) $ 0.59 $ 0.54
Weighted-average number of common shares outstanding:    
Basic (in shares) 622.1 623.2
Diluted (in shares) 629.4 631.3