Summary of Significant Accounting Policies (Details) - USD ($)	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Oct. 01, 2019
Business Acquisition, terms [Line Items]
Share Price	$ 150.00
Deferred Tax Assets, Valuation Allowance	$ 53,000,000.0	$ 50,800,000
Operating Lease, Liability	$ 73,300,000
Accounting Standards Update 2016-02 [Member]
Operating Lease, Liability			$ 85,800,000
Baxter
Business Acquisition, terms [Line Items]
Share Price	$ 156.00
Bardy
Business Acquisition, terms [Line Items]
Asset Acquisition, Price of Acquisition, Expected	$ 10,500,000,000