Significant Customers (Details) - U.S. Government - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 25, 2023	Jun. 26, 2022	Jun. 25, 2023	Jun. 26, 2022
Revenue, Major Customer [Line Items]
Sales to the U.S. Government, amount	$ 178.6	$ 156.1	$ 338.9	$ 295.7
Revenue | Government Contracts
Revenue, Major Customer [Line Items]
Sales to the U.S. Government, percentage of total revenue (as percent)	70.00%	70.00%	69.00%	70.00%