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Share-Based Compensation - Share-Based Compensation Expense (Details) - USD ($) $ in Millions | 3 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Pre-tax effect of share-based compensation | $ 44.5 | $ 41.2
Income tax benefit | 9.4 | 8.8
Net income effect of share-based compensation | 35.1 | 32.4
Inventory |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Capitalized share-based compensation expense | 5.2 | 4.8
Share-based compensation expense previously capitalized | 6.8 | 7.7
Cost of sales |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Pre-tax effect of share-based compensation | 6.8 | 7.7
Research and development |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Pre-tax effect of share-based compensation | 22.9 | 20.1
Selling, general and administrative |  |
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] |  |
Pre-tax effect of share-based compensation | $ 14.8 | $ 13.4

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