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Restructuring Activities - Rollforward (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Restructuring Reserve |  |  |  |
Beginning balance, restructuring accrual | $ 4.2 | $ 0.7 | $ 1.9 | $ 0.2
Restructuring charges | 4.3 | 5.4 | 9.4 | 7.0
Cash payments and other | (3.3) | (2.3) | (6.1) | (3.4)
Ending balance, restructuring accrual | 5.2 | 3.8 | 5.2 | 3.8
Operating Segments | Cryo Tank Solutions |  |  |  |
Restructuring Reserve |  |  |  |
Restructuring charges | 0.5 | 0.3 | 1.1 | 1.1
Operating Segments | Heat Transfer Systems |  |  |  |
Restructuring Reserve |  |  |  |
Restructuring charges | 0.4 | 0.2 | 0.9 | 0.2
Operating Segments | Specialty Products |  |  |  |
Restructuring Reserve |  |  |  |
Restructuring charges | 1.2 | 0.5 | 2.5 | 0.5
Operating Segments | Repair, Service & Leasing |  |  |  |
Restructuring Reserve |  |  |  |
Restructuring charges | 1.9 | 0.7 | 4.2 | 1.5
Corporate |  |  |  |
Restructuring Reserve |  |  |  |
Restructuring charges | $ 0.3 | $ 3.7 | $ 0.7 | $ 3.7

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