Acquisitions - Fair Values of Net Assets Acquired (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024
Business Acquisition [Line Items]
Goodwill	$ 2,433.2	$ 2,433.2
Graphico
Business Acquisition [Line Items]
Accounts receivable	3.5
Inventory	11.3
Other current assets	1.5
Other long-term assets	5.8
Customer relationship intangible asset	8.4
Goodwill	2.8
Accounts payable, accrued and other liabilities	(6.9)
Long-term debt	(4.4)
Deferred income taxes	(2.1)
Cash purchase price (net of cash acquired)	$ 19.9		$ 19.9