Income Taxes - Schedule of Classification of Deferred Tax Asset in Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Sep. 30, 2021
Income Tax Disclosure [Abstract]
Long-term net deferred tax asset	$ 134.8	$ 71.7	$ 8.3
Long-term net deferred tax liability			(108.1)
Net deferred tax assets	$ 134.8	$ 71.7
Net deferred tax liabilities			$ (99.8)