Significant Customers (Details) - U.S. Government - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 29, 2024	Oct. 01, 2023	Sep. 29, 2024	Oct. 01, 2023
Revenue, Major Customer [Line Items]
Sales to the U.S. Government, amount	$ 183.9	$ 185.5	$ 570.2	$ 524.4
Revenue | Government contracts
Revenue, Major Customer [Line Items]
Sales to the U.S. Government, percentage of total revenue (as percent)	67.00%	68.00%	67.00%	69.00%