Segment Information - Schedule of Capital Expenditures and Depreciation and Amortization (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
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| Segment Reporting [Line Items] | ||||
| Capital expenditures | $ 10.6 | $ 11.3 | $ 31.5 | $ 29.3 |
| Depreciation and amortization | 38.2 | 34.9 | 117.8 | 102.4 |
| Operating Segments | ||||
| Segment Reporting [Line Items] | ||||
| Capital expenditures | 9.6 | 10.5 | 28.3 | 27.3 |
| Depreciation and amortization | 38.0 | 34.7 | 117.0 | 101.6 |
| Operating Segments | Nuclear & Safety | ||||
| Segment Reporting [Line Items] | ||||
| Capital expenditures | 4.9 | 5.0 | 14.1 | 13.3 |
| Depreciation and amortization | 22.6 | 18.1 | 69.8 | 52.3 |
| Operating Segments | Medical | ||||
| Segment Reporting [Line Items] | ||||
| Capital expenditures | 4.7 | 5.5 | 14.2 | 14.0 |
| Depreciation and amortization | 15.4 | 16.6 | 47.2 | 49.3 |
| Corporate and other | ||||
| Segment Reporting [Line Items] | ||||
| Capital expenditures | 1.0 | 0.8 | 3.2 | 2.0 |
| Depreciation and amortization | $ 0.2 | $ 0.2 | $ 0.8 | $ 0.8 |
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- Definition Future cash outflow to pay for purchases of fixed assets that have occurred. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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