Business Segment Information - Intra-Segment and Inter-Segment Revenues (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Net sales	$ 126,332	$ 112,563
Engineered Systems Segment [Member]
Segment Reporting Information [Line Items]
Net sales	89,349	74,454
Industrial Process Solutions Segment [Member]
Segment Reporting Information [Line Items]
Net sales	36,983	38,109
Intra-Segment Sales [Member] | Industrial Process Solutions Segment [Member] | Energy Inter-Segment Sales [Member]
Segment Reporting Information [Line Items]
Net sales	(61)	(98)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	132,097	115,131
Operating Segments [Member] | Engineered Systems Segment [Member]
Segment Reporting Information [Line Items]
Net sales	92,518	76,089
Operating Segments [Member] | Industrial Process Solutions Segment [Member]
Segment Reporting Information [Line Items]
Net sales	39,579	39,042
Operating Segments [Member] | Intra-Segment Sales [Member]
Segment Reporting Information [Line Items]
Net sales	(5,617)	(2,373)
Operating Segments [Member] | Intra-Segment Sales [Member] | Engineered Systems Segment [Member]
Segment Reporting Information [Line Items]
Net sales	(3,082)	(1,538)
Operating Segments [Member] | Intra-Segment Sales [Member] | Industrial Process Solutions Segment [Member]
Segment Reporting Information [Line Items]
Net sales	(2,535)	(835)
Inter-Segment Elimination [Member]
Segment Reporting Information [Line Items]
Net sales	(87)	(97)
Inter-Segment Elimination [Member] | Energy Inter-Segment Sales [Member]
Segment Reporting Information [Line Items]
Net sales	(61)	(98)
Inter-Segment Elimination [Member] | Intra-Segment Sales [Member] | Engineered Systems Segment [Member]
Segment Reporting Information [Line Items]
Net sales	$ (87)	$ (97)