REVENUE (Tables)

6 Months Ended

Jun. 30, 2024

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

A disaggregation of our revenue from contracts with customers by geographic region, by reportable operating segment and by service type is presented below:

Geographic area (in thousands):

	Three Months Ended June 30, 2024						Three Months Ended June 30, 2023
	(unaudited)						(unaudited)
	United States and Canada		Other Countries		Total		United States and Canada		Other Countries		Total
Revenue:
IHT	$	110,211	$	3,023	$	113,234	$	113,013	$	3,727	$	116,740
MS	79,127		36,257		115,384		82,626		40,126		122,752
Total	$	189,338	$	39,280	$	228,618	$	195,639	$	43,853	$	239,492

	Six Months Ended June 30, 2024						Six Months Ended June 30, 2023
	(unaudited)						(unaudited)
	United States and Canada		Other Countries		Total		United States and Canada		Other Countries		Total
Revenue:
IHT	$	206,507	$	6,175	$	212,682	$	211,544	$	7,025	$	218,569
MS	148,097		67,439		215,536		154,657		68,543		223,200
Total	$	354,604	$	73,614	$	428,218	$	366,201	$	75,568	$	441,769

Revenue by Operating segment and service type (in thousands):

	Three Months Ended June 30, 2024
	(unaudited)
	Non-Destructive Evaluation and Testing Services		Repair and Maintenance Services		Heat Treating		Other		Total
Revenue:
IHT	$	90,113	$	2	$	17,459	$	5,660	$	113,234
MS	—		112,873		248		2,263		115,384
Total	$	90,113	$	112,875	$	17,707	$	7,923	$	228,618

	Three Months Ended June 30, 2023
	(unaudited)
	Non-Destructive Evaluation and Testing Services		Repair and Maintenance Services		Heat Treating		Other		Total
Revenue:
IHT	$	94,305	$	219	$	15,717	$	6,499	$	116,740
MS	—		122,022		211		519		122,752
Total	$	94,305	$	122,241	$	15,928	$	7,018	$	239,492

	Six Months Ended June 30, 2024
	(unaudited)
	Non-Destructive Evaluation and Testing Services		Repair and Maintenance Services		Heat Treating		Other		Total
Revenue:
IHT	$	171,123	$	147	$	30,943	$	10,469	$	212,682
MS	—		211,736		355		3,445		215,536
Total	$	171,123	$	211,883	$	31,298	$	13,914	$	428,218

	Six Months Ended June 30, 2023
	(unaudited)
	Non-Destructive Evaluation and Testing Services		Repair and Maintenance Services		Heat Treating		Other		Total
Revenue:
IHT	$	175,911	$	222	$	29,445	$	12,991	$	218,569
MS	—		221,860		489		851		223,200
Total	$	175,911	$	222,082	$	29,934	$	13,842	$	441,769