Acquisitions - Value of the assets and liabilities acquired (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2024	Oct. 27, 2024	Jan. 01, 2024	Oct. 23, 2023
Acquisition
Goodwill	$ 693.0	$ 715.0	$ 721.0
Josam Industries, LLC
Acquisition
Cash				$ 4.6
Trade accounts receivable				4.3
Inventories, net				15.0
Prepaid expenses and other current assets				0.9
Property, plant and equipment				7.6
Intangible assets				39.4
Goodwill				35.1
Accounts payable				(1.5)
Accrued expenses and other current liabilities				(1.8)
Purchase price				$ 103.6
Bradley
Acquisition
Cash					$ 9.2
Trade accounts receivable					23.5
Inventories, net					38.4
Prepaid expenses and other current assets					3.5
Property, plant and equipment					47.2
Intangible assets		115.3			115.3
Goodwill		$ 92.6			92.6
Accounts payable					(8.2)
Employee benefits, other					(4.9)
Other current liabilities					(8.4)
Other noncurrent liabilities					(0.5)
Purchase price					$ 307.7
Revenues	33.4
Operating income	2.7
Acquisition accounting charges	$ 3.3