Summary of Significant Accounting Policies - Additional Information (Details)		3 Months Ended	12 Months Ended
	Oct. 01, 2019 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2022 USD ($) Step	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)
Accounting Policies [Abstract]
Research and development costs charged to expense		$ 25,600,000	$ 113,400,000	$ 103,100,000	$ 103,900,000
Advertising cost		3,500,000	14,200,000	17,700,000	16,000,000.0
Amortization of Debt Issuance Costs		400,000	1,600,000	1,600,000	3,600,000
Write off of Deferred Debt Issuance Cost			$ 100,000		1,800,000
Number of steps to evaluate uncertain income tax positions (in steps) | Step			2
Minimum percentage likelihood of tax benefit being realized (as a percent)			50.00%
Maximum percentage likelihood of tax benefit being realized (as a percent)			50.00%
Amount of tax benefit realized for tax positions currently estimated to have a less than likelihood percentage of being sustained			$ 0
Maximum remaining maturity period at time of purchase of liquid investments classified as cash equivalents (in months)			3 months
Inventory valued using LIFO method (as a percent)			80.00%
Change in inventory	$ 100,600,000	139,000,000.0	$ 330,800,000	(199,300,000)	$ 242,800,000
Increase in retained earnings (net of tax)	$ 76,600,000	$ 3,238,500,000	$ 3,315,000,000.0	$ 3,239,200,000