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Business Segment Information - Goodwill (Detail) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Segment Reporting Information [Line Items]      
Goodwill $ 211,479 $ 211,326 $ 183,197
Engineered Systems Segment [Member]      
Segment Reporting Information [Line Items]      
Goodwill 142,304 142,229  
Industrial Process Solutions Segment [Member]      
Segment Reporting Information [Line Items]      
Goodwill $ 69,175 $ 69,097