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SEGMENT INFORMATION (Textual) (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($) segment | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($)
Financial information for the reportable segments |  |  |  |
Number of operating segments (segments) | segment | 3 |  |  |
Percentage of total inventories valued using the LIFO method (as a percent) | 36.00% |  | 37.00% | 32.00%
Special items |  |  |  |
Special items charge (Gain) | $ 8,845 |  | $ 36,469 | $ (15,330)
The Harris Products Group |  |  |  |
Special items |  |  |  |
Special items charge (Gain) | 1,770 | [1] | 0 | 0
United States |  |  |  |
Special items |  |  |  |
EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToForeignCountries1 | $ 147,145 |  | $ 160,064 | $ 151,630
Revenues | Customer concentration risk | Maximum |  |  |  |
Special items |  |  |  |
Percentage of concentration of credit risk not met other than separately disclosed | 10.00% |  | 10.00% | 10.00%
[1] | Rationalization and asset impairment charges of $1,770

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6351-108592 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13531-108611 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13537-108611 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=99393423&loc=d3e6404-108592 + Details
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