v3.26.1
Business Segment Information - Property and Equipment Additions, Depreciation and Amortization and Identifiable Assets (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Thermal Solutions Segment [Member]        
Segment Reporting Information [Line Items]        
Property and equipment additions $ 1,756   $ 1,756  
Depreciation and amortization [1] 4,328   4,328  
Engineered Systems Segment [Member]        
Segment Reporting Information [Line Items]        
Property and equipment additions 1,165 $ 512 1,825 $ 1,206
Depreciation and amortization 3,835 [1] 2,113 [2] 6,750 [1] 4,098 [2]
Industrial Process Solutions Segment [Member]        
Segment Reporting Information [Line Items]        
Property and equipment additions 128 328 314 961
Depreciation and amortization $ 2,317 [1] $ 1,864 [2] $ 4,432 [1] $ 4,188 [2]
[1] The amounts of depreciation and amortization disclosed by reportable segment are included within other segment expense captions, such as shop burden or general and administrative expense.
[2] The amounts of depreciation and amortization disclosed by reportable segment are included within other segment expense captions, such as shop burden or general and administrative expense.