Acquisitions (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Apr. 01, 2024 Center	Feb. 01, 2024 item
Acquisitions
Net sales	$ 3,644.8	$ 3,965.3
Mid-West Materials, Inc
Acquisitions
Net sales	0.0
Cooksey Iron & Metal Company
Acquisitions
Sales since acquisition date	16.1
Number of locations of the acquiree entity | item				3
American Alloy Steel, Inc
Acquisitions
Net sales	$ 0.0
Locations acquiree provides services from | Center			5