Acquisitions - Value of the assets and liabilities acquired (Details) - USD ($) $ in Millions	Dec. 31, 2025	Nov. 14, 2025	Oct. 26, 2025	Jan. 02, 2025	Dec. 31, 2024	Jan. 01, 2024
Acquisition
Goodwill	$ 859.0		$ 780.0		$ 715.0
Superior
Acquisition
Cash		$ 4.5
Trade accounts receivable		7.3
Inventories, net		10.5
Prepaid expenses and other current assets		2.5
Property, plant and equipment		5.8
Intangible assets		31.6
Goodwill		54.1
Other assets		9.4
Accounts payable		(6.2)
Accrued expenses and other current liabilities		(14.5)
Other noncurrent liabilities		(11.8)
Purchase price		$ 93.2
I-CON
Acquisition
Cash				$ 2.8
Trade accounts receivable				3.3
Inventories, net				4.4
Prepaid expenses and other current assets				2.8
Property, plant and equipment				1.2
Intangible assets				20.9
Goodwill				41.6
Accounts payable, accrued expenses and other liabilities				(3.5)
Purchase price				$ 73.5
Josam
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