GOODWILL (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Goodwill and Intangible Assets Disclosure [Abstract] | ||
| Carrying amount of goodwill in foreign countries | $ 46,300 | $ 42,700 |
| Changes in the carrying amount of goodwill | ||
| Goodwill balance at the beginning of the period | 255,665 | 249,939 |
| Goodwill acquired | 87,261 | 8,613 |
| Goodwill adjustments due to currency translation | 3,588 | (2,887) |
| Goodwill balance at the end of the period | $ 346,514 | $ 255,665 |
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- Definition Goodwill, Carrying Amount in Foreign Countries No definition available.
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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