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SEGMENT INFORMATION - Summary (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2018 | Mar. 31, 2017
Segment Reporting Information [Line Items] |  |
Revenues | $ 794,977 | $ 919,762
Operating income (loss) for segments | 156,170 | 104,970
Depreciation and amortization | 121,743 | 109,033
Corporate |  |
Segment Reporting Information [Line Items] |  |
Operating income (loss) for segments | (63,556) | (63,374)
Depreciation and amortization | 1,841 | 1,474
Acquisition-related costs | 18,300 | 26,100
North America | Operating segments |  |
Segment Reporting Information [Line Items] |  |
Revenues | 594,029 | 687,044
Operating income (loss) for segments | 125,404 | 94,083
Depreciation and amortization | 102,525 | 92,708
Europe | Operating segments |  |
Segment Reporting Information [Line Items] |  |
Revenues | 143,277 | 165,549
Operating income (loss) for segments | 70,548 | 54,507
Depreciation and amortization | 12,745 | 11,576
Asia-Pacific | Operating segments |  |
Segment Reporting Information [Line Items] |  |
Revenues | 57,671 | 67,169
Operating income (loss) for segments | 23,774 | 19,754
Depreciation and amortization | $ 4,632 | $ 3,275

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460 + Details
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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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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. + References No definition available. + Details
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- Details
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