Recently Issued Accounting Pronouncements - Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2022	Sep. 30, 2022
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Retained earnings	$ 4,175.2	$ 4,956.0
Adjustment \| Accounting Standards Update 2020-06 Retrospective
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Additional paid in capital	(128.3)
Retained earnings	46.5
Adjustment \| Accounting Standards Update 2020-06 Retrospective \| Convertible Debt
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Increase in debt instrument	$ 105.8

Amount of excess of issue price over par or stated value of stock and from other transaction involving stock or stockholder. Includes, but is not limited to, additional paid-in capital (APIC) for common and preferred stock.

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