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REVENUE FROM CONTRACTS WITH CUSTOMERS (Contract Assets and Liabilities) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Change in Contract with Customer, Liability [Roll Forward] |  |
Beginning balance | $ 51,459 |
Revenue recognized in the current period from the amounts in the beginning balance | (49,937) |
New deferrals, net of amounts recognized in the current period | 68,814 |
Effects of foreign currency | 284 |
Ending balance | 70,620 |
Current liability | 67,274 | $ 51,459
Noncurrent liability | 3,000 |
New deferrals recognized in connection with business acquisitions made in 2019 | $ 11,000 |

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118944033&loc=SL49130532-203044 + Details
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