Revenue from Contracts with Customers Revenue from Contracts with Customers (Tables)

9 Months Ended

Sep. 30, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The Company’s portfolio of products are integrated into a variety of end uses, which are described in the table below.

Key End Uses	Key Products
Industrial & process chemicals	• Silicate precursors for the tire industry
	• Glass beads, or microspheres, for metal finishing end uses
Fuels & emission control	• Refining catalysts
	• Emission control catalysts
	• Catalyst recycling services
	• Silicate for catalyst manufacturing
Packaging & engineered plastics	• Catalysts for high-density polyethlene and chemicals syntheses
	• Antiblock for film packaging
	• Solid and hollow microspheres for composite plastics
	• Sulfur derivatives for nylon production
Highway safety & construction	• Reflective markings for roadways and airports
	• Silica gels for surface coatings
Consumer products	• Silica gels for edible oil and beer clarification
	• Precipitated silicas, silicates and zeolites for the dentifrice and
	dishwasher and laundry detergent applications
Natural resources	• Silicates for drilling muds
	• Hollow glass beads, or microspheres, for oil well cements
	• Silicates and alum for water treatment mining
	• Bleaching aids for paper

The following tables disaggregate the Company’s sales, by segment and end use, for the three and nine months ended September 30, 2020 and 2019:

	Three months ended September 30, 2020
	Refining Services		Catalysts		Performance Materials		Performance Chemicals		Total
Industrial & process chemicals	$	17,447	$	51	$	11,134	$	47,786	$	76,418
Fuels & emission control(1)	60,022		—		—		700		60,722
Packaging & engineered plastics	10,941		23,020		15,438		11,987		61,386
Highway safety & construction(1)	—		—		74,672		19,553		94,225
Consumer products	—		—		—		56,304		56,304
Natural resources	19,194		—		3,330		12,183		34,707
Total segment sales	107,604		23,071		104,574		148,513		383,762
Eliminations	(764)		(51)		(57)		(2,571)		(3,443)
Total	$	106,840	$	23,020	$	104,517	$	145,942	$	380,319
	Three months ended September 30, 2019
	Refining Services		Catalysts		Performance Materials		Performance Chemicals		Total
Industrial & process chemicals	$	20,180	$	47	$	12,225	$	54,696	$	87,148
Fuels & emission control(1)	70,048		—		—		—		70,048
Packaging & engineered plastics	12,197		25,565		16,886		12,048		66,696
Highway safety & construction(1)	—		—		82,502		20,800		103,302
Consumer products	—		—		—		64,849		64,849
Natural resources	15,910		—		3,521		15,556		34,987
Total segment sales	118,335		25,612		115,134		167,949		427,030
Eliminations	(813)		(47)		(18)		(2,351)		(3,229)
Total	$	117,522	$	25,565	$	115,116	$	165,598	$	423,801

	Nine months ended September 30, 2020
	Refining Services		Catalysts		Performance Materials		Performance Chemicals		Total
Industrial & process chemicals	$	53,518	$	100	$	32,571	$	151,367	$	237,556
Fuels & emission control(1)	166,416		—		3		700		167,119
Packaging & engineered plastics	29,147		73,043		46,554		35,814		184,558
Highway safety & construction(1)	—		—		185,733		58,054		243,787
Consumer products	—		—		—		180,238		180,238
Natural resources	49,646		—		9,485		39,260		98,391
Total segment sales	298,727		73,143		274,346		465,433		1,111,649
Eliminations	(2,469)		(100)		(166)		(7,472)		(10,207)
Total	$	296,258	$	73,043	$	274,180	$	457,961	$	1,101,442
	Nine months ended September 30, 2019
	Refining Services		Catalysts		Performance Materials		Performance Chemicals		Total
Industrial & process chemicals	$	60,485	$	109	$	38,037	$	175,009	$	273,640
Fuels & emission control(1)	191,243		—		—		—		191,243
Packaging & engineered plastics	38,953		62,226		51,863		41,121		194,163
Highway safety & construction(1)	—		—		195,119		65,036		260,155
Consumer products	—		—		—		198,798		198,798
Natural resources	50,788		—		10,076		46,275		107,139
Total segment sales	341,469		62,335		295,095		526,239		1,225,138
Eliminations	(2,595)		(109)		(170)		(7,567)		(10,441)
Total	$	338,874	$	62,226	$	294,925	$	518,672	$	1,214,697

(1)As described in Note 1, the Company experiences seasonal sales fluctuations to customers in the fuels & emission control and highway safety & construction end uses.