Quarterly report pursuant to Section 13 or 15(d)

Disaggregated Revenue (Details)

v3.20.2
Disaggregated Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Disaggregated Revenue        
Sales $ 380,319 $ 423,801 $ 1,101,442 $ 1,214,697
Refining Services        
Disaggregated Revenue        
Sales 106,840 117,522 296,258 338,874
Catalysts        
Disaggregated Revenue        
Sales 23,020 25,565 73,043 62,226
Performance Materials        
Disaggregated Revenue        
Sales 104,517 115,116 274,180 294,925
Performance Chemicals        
Disaggregated Revenue        
Sales 145,942 165,598 457,961 518,672
Operating segments        
Disaggregated Revenue        
Sales 383,762 427,030 1,111,649 1,225,138
Operating segments | Industrial & process chemicals        
Disaggregated Revenue        
Sales 76,418 87,148 237,556 273,640
Operating segments | Fuels & emission control        
Disaggregated Revenue        
Sales 60,722 70,048 167,119 191,243
Operating segments | Packaging & engineered plastics        
Disaggregated Revenue        
Sales 61,386 66,696 184,558 194,163
Operating segments | Highway safety & construction        
Disaggregated Revenue        
Sales 94,225 103,302 243,787 260,155
Operating segments | Consumer products        
Disaggregated Revenue        
Sales 56,304 64,849 180,238 198,798
Operating segments | Natural resources        
Disaggregated Revenue        
Sales 34,707 34,987 98,391 107,139
Operating segments | Refining Services        
Disaggregated Revenue        
Sales 107,604 118,335 298,727 341,469
Operating segments | Refining Services | Industrial & process chemicals        
Disaggregated Revenue        
Sales 17,447 20,180 53,518 60,485
Operating segments | Refining Services | Fuels & emission control        
Disaggregated Revenue        
Sales 60,022 70,048 166,416 191,243
Operating segments | Refining Services | Packaging & engineered plastics        
Disaggregated Revenue        
Sales 10,941 12,197 29,147 38,953
Operating segments | Refining Services | Highway safety & construction        
Disaggregated Revenue        
Sales 0 0 0 0
Operating segments | Refining Services | Consumer products        
Disaggregated Revenue        
Sales 0 0 0 0
Operating segments | Refining Services | Natural resources        
Disaggregated Revenue        
Sales 19,194 15,910 49,646 50,788
Operating segments | Catalysts        
Disaggregated Revenue        
Sales 23,071 25,612 73,143 62,335
Operating segments | Catalysts | Industrial & process chemicals        
Disaggregated Revenue        
Sales 51 47 100 109
Operating segments | Catalysts | Fuels & emission control        
Disaggregated Revenue        
Sales 0 0 0 0
Operating segments | Catalysts | Packaging & engineered plastics        
Disaggregated Revenue        
Sales 23,020 25,565 73,043 62,226
Operating segments | Catalysts | Highway safety & construction        
Disaggregated Revenue        
Sales 0 0 0 0
Operating segments | Catalysts | Consumer products        
Disaggregated Revenue        
Sales 0 0 0 0
Operating segments | Catalysts | Natural resources        
Disaggregated Revenue        
Sales 0 0 0 0
Operating segments | Performance Materials        
Disaggregated Revenue        
Sales 104,574 115,134 274,346 295,095
Operating segments | Performance Materials | Industrial & process chemicals        
Disaggregated Revenue        
Sales 11,134 12,225 32,571 38,037
Operating segments | Performance Materials | Fuels & emission control        
Disaggregated Revenue        
Sales 0 0 3 0
Operating segments | Performance Materials | Packaging & engineered plastics        
Disaggregated Revenue        
Sales 15,438 16,886 46,554 51,863
Operating segments | Performance Materials | Highway safety & construction        
Disaggregated Revenue        
Sales 74,672 82,502 185,733 195,119
Operating segments | Performance Materials | Consumer products        
Disaggregated Revenue        
Sales 0 0 0 0
Operating segments | Performance Materials | Natural resources        
Disaggregated Revenue        
Sales 3,330 3,521 9,485 10,076
Operating segments | Performance Chemicals        
Disaggregated Revenue        
Sales 148,513 167,949 465,433 526,239
Operating segments | Performance Chemicals | Industrial & process chemicals        
Disaggregated Revenue        
Sales 47,786 54,696 151,367 175,009
Operating segments | Performance Chemicals | Fuels & emission control        
Disaggregated Revenue        
Sales 700 0 700 0
Operating segments | Performance Chemicals | Packaging & engineered plastics        
Disaggregated Revenue        
Sales 11,987 12,048 35,814 41,121
Operating segments | Performance Chemicals | Highway safety & construction        
Disaggregated Revenue        
Sales 19,553 20,800 58,054 65,036
Operating segments | Performance Chemicals | Consumer products        
Disaggregated Revenue        
Sales 56,304 64,849 180,238 198,798
Operating segments | Performance Chemicals | Natural resources        
Disaggregated Revenue        
Sales 12,183 15,556 39,260 46,275
Inter-segment sales eliminations        
Disaggregated Revenue        
Sales (3,443) (3,229) (10,207) (10,441)
Inter-segment sales eliminations | Refining Services        
Disaggregated Revenue        
Sales (764) (813) (2,469) (2,595)
Inter-segment sales eliminations | Catalysts        
Disaggregated Revenue        
Sales (51) (47) (100) (109)
Inter-segment sales eliminations | Performance Materials        
Disaggregated Revenue        
Sales (57) (18) (166) (170)
Inter-segment sales eliminations | Performance Chemicals        
Disaggregated Revenue        
Sales $ (2,571) $ (2,351) $ (7,472) $ (7,567)