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GOODWILL AND OTHER INTANGIBLE ASSETS Balances and Changes in Carrying Amounts of Goodwill (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | $ 527,150 | $ 582,336
Purchase Price Adjustments |  | 8,362
Divestiture | (3,316) |
Impairment | (7,169) | (47,244)
Translation | 27,238 | (16,304)
Goodwill, ending balance | 543,903 | 527,150
Goodwill, Impaired, Accumulated Impairment Loss [Abstract] |  |
Cumulative goodwill impairment charges, January 1, 2017 | 119,602 |
Cumulative goodwill impairment charges, December 31, 2017 | 126,771 | 119,602
United States |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 202,020 | 202,020
Purchase Price Adjustments |  | 0
Divestiture | (3,316) |
Impairment | (7,169) | 0
Translation | 0 | 0
Goodwill, ending balance | 191,535 | 202,020
Goodwill, Impaired, Accumulated Impairment Loss [Abstract] |  |
Cumulative goodwill impairment charges, January 1, 2017 | 17,038 |
Cumulative goodwill impairment charges, December 31, 2017 | 24,207 | 17,038
Canada |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 122,140 | 118,529
Purchase Price Adjustments |  | 0
Divestiture | 0 |
Impairment | 0 | 0
Translation | 8,282 | 3,611
Goodwill, ending balance | 130,422 | 122,140
Goodwill, Impaired, Accumulated Impairment Loss [Abstract] |  |
Cumulative goodwill impairment charges, January 1, 2017 | 32,265 |
Cumulative goodwill impairment charges, December 31, 2017 | 32,265 | 32,265
Other Businesses [Member] |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 202,990 | 261,787
Purchase Price Adjustments |  | 8,362
Divestiture | 0 |
Impairment | 0 | (47,244)
Translation | 18,956 | (19,915)
Goodwill, ending balance | 221,946 | 202,990
Goodwill, Impaired, Accumulated Impairment Loss [Abstract] |  |
Cumulative goodwill impairment charges, January 1, 2017 | 70,299 |
Cumulative goodwill impairment charges, December 31, 2017 | $ 70,299 | $ 70,299

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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 + Details
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- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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