XML 76 R60.htm IDEA: XBRL DOCUMENT v3.20.4
Segment and Geographic Area Information (Schedule Of Asset Information By Segment) (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Segment Reporting Information [Line Items]    
Total assets $ 1,933,875 $ 1,885,132
Cash and cash equivalents 125,172 144,397
Trade and other accounts receivable, net 336,395 335,826
Prepaid expenses and other current assets 35,480 33,237
Property, plant, and equipment, net 665,147 635,439
Prepaid pension cost 137,069 133,848
Deferred charges and other assets 42,308 44,062
Petroleum Additives [Member]    
Segment Reporting Information [Line Items]    
Total assets 1,557,834 1,506,690
All Other [Member]    
Segment Reporting Information [Line Items]    
Total assets 18,383 14,519
Operating Segments [Member]    
Segment Reporting Information [Line Items]    
Total assets 1,576,217 1,521,209
Corporate [Member]    
Segment Reporting Information [Line Items]    
Cash and cash equivalents 125,172 144,397
Trade and other accounts receivable, net 13,566 6,068
Prepaid expenses and other current assets 35,480 33,237
Property, plant, and equipment, net 31,839 34,648
Prepaid pension cost 137,069 133,848
Lease right-of-use assets 198 302
Deferred charges and other assets $ 14,334 $ 11,423