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Acquisitions - Narrative (Details) - Small NDT Services Company - Canada $ in Millions | 3 Months Ended | 12 Months Ended
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Mar. 31, 2021 USD ($) | Dec. 31, 2021 entity
Business Acquisition [Line Items] |  |
Number of acquisitions | entity |  | 1
Percentage of equity interest acquired | 100.00% |
Cash consideration paid | $ | $ 0.4 |

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