Inventories (Tables)

3 Months Ended

Mar. 31, 2022

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories consisted of the following:

(In thousands)	March 31, 2022		December 31, 2021
Raw materials:
Fluids Systems	$	128,267	$	119,242
Industrial Solutions	4,757		4,939
Total raw materials	133,024		124,181
Blended fluids systems components	29,894		27,793
Finished goods - mats	7,050		3,367
Total inventories	$	169,968	$	155,341