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Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Mar. 31, 2023
--- | --- | ---
Deferred tax assets: |  |
Accrued expenses | $ 50.2 | $ 64.7
Capital loss carryforward | 10.5 | 11.0
Income tax credits | 267.8 | 312.7
Intangible assets | 1,374.8 | 1,328.7
Inventory valuation | 72.0 | 40.0
Lease liabilities | 36.2 | 35.8
Net operating loss carryforward | 64.8 | 73.9
Property, plant and equipment | 0.0 | 7.0
Share-based compensation | 40.6 | 37.7
Other | 15.5 | 4.0
Gross deferred tax assets | 1,932.4 | 1,915.5
Valuation allowances | (270.8) | (299.4)
Deferred tax assets, net of valuation allowances | 1,661.6 | 1,616.1
Deferred tax liabilities: |  |
Intangible assets | (59.0) | (1.6)
ROU assets | (34.5) | (33.9)
Property, plant and equipment | (0.4) | 0.0
Deferred tax liabilities | (93.9) | (35.5)
Net deferred tax asset | 1,567.7 | 1,580.6
Reported as: |  |
Non-current deferred tax assets | 1,596.5 | 1,623.3
Non-current deferred tax liability | (28.8) | (42.7)
Net deferred tax asset | $ 1,567.7 | $ 1,580.6

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