Business Segment Information - Intra-Segment and Inter-Segment Revenues (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Net sales	$ 129,181	$ 105,375	$ 241,744	$ 197,811
Engineered Systems Segment [Member]
Segment Reporting Information [Line Items]
Net sales	87,522	67,333	161,977	124,308
Industrial Process Solutions Segment [Member]
Segment Reporting Information [Line Items]
Net sales	41,659	38,042	79,767	73,503
Intra-Segment Sales [Member]
Segment Reporting Information [Line Items]
Net sales	(10,801)	(4,948)	(13,174)	(11,131)
Intra-Segment Sales [Member] | Engineered Systems Segment [Member]
Segment Reporting Information [Line Items]
Net sales	(7,995)	(3,231)	(9,533)	(7,789)
Intra-Segment Sales [Member] | Industrial Process Solutions Segment [Member]
Segment Reporting Information [Line Items]
Net sales	(2,806)	(1,717)	(3,641)	(3,342)
Operating Segments [Member]
Segment Reporting Information [Line Items]
Net sales	140,521	110,655	255,652	209,397
Operating Segments [Member] | Engineered Systems Segment [Member]
Segment Reporting Information [Line Items]
Net sales	95,880	70,754	171,970	132,354
Operating Segments [Member] | Industrial Process Solutions Segment [Member]
Segment Reporting Information [Line Items]
Net sales	44,641	39,901	83,682	77,043
Inter-Segment Elimination [Member] | Industrial Inter-Segment Sales [Member]
Segment Reporting Information [Line Items]
Net sales	(363)	(190)	(460)	(257)
Inter-Segment Elimination [Member] | Energy Inter-Segment Sales [Member]
Segment Reporting Information [Line Items]
Net sales	(176)	(142)	(274)	(198)
Inter-Segment Elimination [Member] | Engineered Systems Segment [Member] | Industrial Inter-Segment Sales [Member]
Segment Reporting Information [Line Items]
Net sales	(363)	(190)	(460)	(257)
Inter-Segment Elimination [Member] | Industrial Process Solutions Segment [Member] | Energy Inter-Segment Sales [Member]
Segment Reporting Information [Line Items]
Net sales	$ (176)	$ (142)	$ (274)	$ (198)