Goodwill and Intangible Assets - Narrative (Details) - reporting_unit	Oct. 01, 2025	Oct. 01, 2024	Oct. 01, 2023
Goodwill [Line Items]
Number of reporting units	5	5	5
Reporting unit, percentage of discount rate	10.50%
Reporting unit, percentage of fair value in excess of carrying amount		20.00%	20.00%
Radiation Monitoring Systems
Goodwill [Line Items]
Reporting unit, percentage of terminal future cash flows growth rate	3.50%	3.50%	3.50%
Maximum
Goodwill [Line Items]
Reporting unit, percentage of discount rate		13.00%	14.00%
Minimum
Goodwill [Line Items]
Reporting unit, percentage of discount rate		10.00%	12.00%