| BUSINESS COMBINATIONS (Details Narrative) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016 | 
|---|---|---|
| Business Acquisition [Line Items] | ||
| Carrying amount of goodwill | $ 257,612 | $ 255,665 | 
| Carrying amount of goodwill in foreign countries | 44,600 | 42,700 | 
| Customer contracts | ||
| Business Acquisition [Line Items] | ||
| Carrying amount of finite lived intangible assets | 115,300 | 117,500 | 
| Carrying amount of finite lived intangible assets in foreign countries | 30,900 | 29,700 | 
| Other intangible assets | ||
| Business Acquisition [Line Items] | ||
| Carrying amount of finite lived intangible assets | 43,800 | 44,300 | 
| Carrying amount of finite lived intangible assets in foreign countries | $ 3,800 | $ 3,800 | 
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- Definition Goodwill, Carrying Amount in Foreign Countries No definition available. 
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- Definition Intangible Assets, Net, Excluding Goodwill Carrying Amount in Foreign Countries No definition available. 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. 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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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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