Segment Information - Narrative (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 28, 2025 USD ($)	Sep. 29, 2024 USD ($)	Sep. 28, 2025 USD ($) segment	Sep. 29, 2024 USD ($)	Dec. 29, 2024 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segment | segment			2
Number of operating segment | segment			2
Total revenues	$ 347.6	$ 275.9	$ 1,001.7	$ 853.2
Government Solutions Segment
Segment Reporting Information [Line Items]
Assets of foreign subsidiaries	265.3		265.3		$ 223.2
Non-US
Segment Reporting Information [Line Items]
Total revenues	$ 59.7	$ 58.6	$ 182.0	$ 171.8
Percentage of foreign revenue to total revenue (percent)	17.00%	21.00%	18.00%	20.00%