Acquisitions - Summary of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	May 01, 2024	Jun. 30, 2024	Dec. 31, 2023
Recognized amounts of identifiable assets acquired and liabilities assumed:
Goodwill		$ 1,337.3	$ 1,202.5
MTL Holdings LLC
Acquisitions
Total cash consideration transferred	$ 423.1
Recognized amounts of identifiable assets acquired and liabilities assumed:
Cash and cash equivalents	10.3
Receivables, net	14.0
Inventories	17.2
Prepaid expenses and other current assets	0.9
Property, plant and equipment	10.7
Definite-lived intangible assets	248.3
Other long-term assets	8.1
Accounts payable	(5.9)
Accrued and other current liabilities	(6.1)
Deferred income taxes	(6.9)
Other long-term liabilities	(6.7)
Total identifiable net assets	283.9
Goodwill	$ 139.2