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SHARE-BASED COMPENSATION - Stock-Based Compensation Expense (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense before income taxes | $ 176.4 | $ 148.2 | $ 332.0 | $ 288.8
Income tax benefit | 36.1 | 28.5 | 68.5 | 56.5
Share-based compensation expense after income taxes | 140.3 | 119.7 | 263.5 | 232.3
Cost of revenue – products | Cost of revenue – products (before capitalization) |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense before income taxes | 25.4 | 22.7 | 48.2 | 45.7
Cost of revenue – products | Amounts capitalized into inventory |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense before income taxes | (23.7) | (21.1) | (45.1) | (39.9)
Cost of revenue – products | Amounts recognized in income for amounts previously capitalized in inventory |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense before income taxes | 21.9 | 19.3 | 43.2 | 31.9
Total cost of revenue |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense before income taxes | 31.2 | 27.9 | 60.9 | 51.7
Total cost of revenue | Cost of revenue – products |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense before income taxes | 23.6 | 20.9 | 46.3 | 37.7
Total cost of revenue | Cost of revenue – services |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense before income taxes | 7.6 | 7.0 | 14.6 | 14.0
Selling, general, and administrative |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense before income taxes | 79.6 | 68.0 | 147.8 | 134.7
Research and development |  |  |  |
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] |  |  |  |
Share-based compensation expense before income taxes | $ 65.6 | $ 52.3 | $ 123.3 | $ 102.4

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