v3.26.3
Business Segment Information - Property and Equipment Additions, Depreciation and Amortization and Identifiable Assets (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Thermal Solutions Segment [Member]        
Segment Reporting Information [Line Items]        
Property and equipment additions $ 2,563   $ 4,319  
Depreciation and amortization [1] 16,460   20,788  
Engineered Systems Segment [Member]        
Segment Reporting Information [Line Items]        
Property and equipment additions 1,090 $ 1,649 2,915 $ 2,855
Depreciation and amortization 3,310 [1] 5,333 [2] 10,060 [1] 9,432 [2]
Industrial Process Solutions Segment [Member]        
Segment Reporting Information [Line Items]        
Property and equipment additions 389 429 703 1,390
Depreciation and amortization $ 2,302 [1] $ 1,814 [2] $ 6,734 [1] $ 6,002 [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.