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REVENUES FROM CONTRACTS WITH CUSTOMERS (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Jan. 01, 2018
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |
Number of days from shipment to issue a credit | 90 days |  |
Short-term portion of contract liability | $ 4,772 | $ 3,764 |
Long-term portion of contract liability | $ 7,100 |  |
Product warranty period (up to) | 2 years |  |
Increase to opening retained earnings | $ 398,574 | 348,373 |
Increase to total assets | 3,303,240 | 3,107,887 |
Increase to total liabilities | $ 1,886,504 | $ 1,732,091 |
Accounting Standards Update 2014-09 | Adjustment Resulting from Adoption of Topic 606 |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |
Increase to total assets |  |  | $ 7,100
Increase to total liabilities |  |  | 5,200
Accounting Standards Update 2014-09 | Private Label | Adjustment Resulting from Adoption of Topic 606 | Transferred over Time |  |  |
Revenue, Initial Application Period Cumulative Effect Transition [Line Items] |  |  |
Increase to opening retained earnings |  |  | $ 1,900

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