Acquisitions - Schedule of Estimated Fair Values of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Goodwill	$ 544.2	$ 543.2
Roker Inc. (Roker)
Business Acquisition [Line Items]
Other intangible assets	2.3
Goodwill	0.9
Accounts payable	(0.1)
Net cash paid	3.1
KMP Associates Limited and Divrt, Inc.
Business Acquisition [Line Items]
Cash and cash equivalents	0.9
Accounts receivable	0.7
Prepaid expenses and other current assets	0.1
Other intangible assets	21.7
Goodwill	16.3
ROU asset	0.1
Accounts payable	(0.1)
Accrued and other current liabilities	(1.5)
Deferred income tax liability	(2.5)
Other long-term borrowings	(0.3)
Net assets acquired and liabilities assumed	35.4
Less: cash and cash equivalents acquired	0.9
Less: contingent consideration payable	4.0
Net cash paid	$ 30.5