Business Segment Information - Intra-Segment and Inter-Segment Revenues (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Net sales	$ 137,522	$ 129,181	$ 263,854	$ 241,744
Engineered Systems Segment [Member]
Segment Reporting Information [Line Items]
Net sales	97,392	87,522	186,741	161,977
Industrial Process Solutions Segment [Member]
Segment Reporting Information [Line Items]
Net sales	40,130	41,659	77,113	79,767
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	146,814	140,521	278,911	255,652
Operating Segments [Member] | Intra-Segment Sales [Member]
Segment Reporting Information [Line Items]
Net sales	(8,993)	(10,801)	(14,610)	(13,174)
Operating Segments [Member] | Engineered Systems Segment [Member]
Segment Reporting Information [Line Items]
Net sales	102,141	95,880	194,659	171,970
Operating Segments [Member] | Engineered Systems Segment [Member] | Intra-Segment Sales [Member]
Segment Reporting Information [Line Items]
Net sales	(4,553)	(7,995)	(7,635)	(9,533)
Operating Segments [Member] | Industrial Process Solutions Segment [Member]
Segment Reporting Information [Line Items]
Net sales	44,673	44,641	84,252	83,682
Operating Segments [Member] | Industrial Process Solutions Segment [Member] | Intra-Segment Sales [Member]
Segment Reporting Information [Line Items]
Net sales	(4,440)	(2,806)	(6,975)	(3,641)
Inter-Segment Elimination [Member] | Engineered Systems Segment [Member]
Segment Reporting Information [Line Items]
Net sales	(103)	(176)	(164)	(274)
Inter-Segment Elimination [Member] | Industrial Process Solutions Segment [Member]
Segment Reporting Information [Line Items]
Net sales	$ (196)	$ (363)	$ (283)	$ (460)