Significant Customers (Details) - U.S. Government - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 28, 2025	Sep. 29, 2024	Sep. 28, 2025	Sep. 29, 2024
Revenue, Major Customer [Line Items]
Sales to the U.S. Government, amount	$ 231.1	$ 183.9	$ 685.3	$ 570.2
Revenue | Government contracts
Revenue, Major Customer [Line Items]
Sales to the U.S. Government, percentage of total revenue (as percent)	66.00%	67.00%	68.00%	67.00%