Held for Sale, Acquisitions and Divestitures (Arrowhead - Fair Values of Assets Acquired and Liabilities Assumed) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2022	Nov. 23, 2021
Business Acquisition [Line Items]
Goodwill	$ 6,553.1	$ 4,018.8	$ 4,039.2
Arrowhead Systems, LLC
Business Acquisition [Line Items]
Cash and Cash Equivalents		1.1
Trade Receivables		18.8
Inventories		12.8
Prepaid Expenses and Other Current Assets		7.6
Property, Plant and Equipment		3.7
Intangible Assets		160.0
Accounts Payable		(4.7)
Accrued Compensation and Benefits		(2.6)
Other Accrued Expenses		(25.0)
Total Identifiable Net Assets		171.7
Goodwill		143.9
Preliminary purchase price		315.6
Arrowhead Systems, LLC | Customer Relationships
Business Acquisition [Line Items]
Intangible Assets				$ 124.0
Arrowhead Systems, LLC | Trademarks
Business Acquisition [Line Items]
Intangible Assets				18.0
Arrowhead Systems, LLC | Technology
Business Acquisition [Line Items]
Intangible Assets				$ 18.0
Arrowhead Systems, LLC | As Originally Reported
Business Acquisition [Line Items]
Cash and Cash Equivalents			1.1
Trade Receivables			19.1
Inventories			12.8
Prepaid Expenses and Other Current Assets			7.6
Property, Plant and Equipment			3.7
Intangible Assets			160.0
Accounts Payable			(4.7)
Accrued Compensation and Benefits			(2.6)
Other Accrued Expenses			(25.0)
Total Identifiable Net Assets			172.0
Goodwill			143.6
Preliminary purchase price			$ 315.6
Arrowhead Systems, LLC | Effect of Change
Business Acquisition [Line Items]
Trade Receivables		(0.3)
Total Identifiable Net Assets		(0.3)
Goodwill		$ 0.3