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Income Taxes - Schedule of Components of Company's Net Deferred Tax Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Non-current deferred tax liabilities: |  |
Intangible assets | $ 631.6 | $ 440.2
Fixed assets | 21.1 | 20.0
Right-of-use assets | 48.3 | 47.7
Net unrealized holding (loss)/gain on available-for-sale securities | (0.4) |
Total non-current deferred tax liabilities | 720.4 | 523.1
Non-current deferred tax assets: |  |
Deferred compensation | 67.4 | 66.4
Accruals and reserves | 12.5 | 15.7
Lease liabilities | 54.6 | 53.3
Net operating loss carryforwards and other carryforwards | 3.0 | 1.9
Valuation allowance for deferred tax assets | (1.1) | (1.0)
Total non-current deferred tax assets | 136.4 | 136.3
Net non-current deferred tax liability | 584.0 | 386.8
Accounting Standards Update 2014-09 |  |
Non-current deferred tax liabilities: |  |
Deferred Tax Liabilities, Other | $ 19.8 | $ 15.2

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