Inventories

9 Months Ended

Sep. 28, 2025

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories at September 28, 2025 and December 29, 2024 were as follows (in millions):

	September 28, 2025		December 29, 2024
Raw materials and supplies	$	242.1	$	206.4
Work-in-process	1,151.5		1,144.1
Finished goods	89.5		71.0
	1,483.1		1,421.5
Inventory valuation reserves	(77.5)		(68.5)
Total inventories, net	$	1,405.6	$	1,353.0

Inventories are stated at the lower of cost (first-in, first-out (FIFO) and average cost methods) or net realizable value.