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REMEDIAL LIABILITIES (Changes in Remedial Liabilities) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Changes to remedial liabilities |  |
Balance at the beginning of the period | $ 124,468 | $ 128,007
Measurement period adjustments from prior period acquisitions |  | 504
Accretion | 4,702 | 4,712
Changes in estimates recorded to statement of operations | 687 | 45
Expenditures | (7,834) | (9,740)
Currency translation and other | (1,006) | 940
Balance at the end of the period | 121,017 | 124,468
Remedial Liabilities for Landfill Sites |  |
Changes to remedial liabilities |  |
Balance at the beginning of the period | 1,800 | 1,777
Measurement period adjustments from prior period acquisitions |  | 0
Accretion | 86 | 86
Changes in estimates recorded to statement of operations | (1) | (21)
Expenditures | (47) | (42)
Currency translation and other | 0 | 0
Balance at the end of the period | 1,838 | 1,800
Remedial Liabilities for Inactive Sites |  |
Changes to remedial liabilities |  |
Balance at the beginning of the period | 65,342 | 64,151
Measurement period adjustments from prior period acquisitions |  | 0
Accretion | 2,745 | 2,648
Changes in estimates recorded to statement of operations | 130 | (289)
Expenditures | (3,759) | (3,906)
Currency translation and other | 857 | 2,738
Balance at the end of the period | 65,315 | 65,342
Remedial Liabilities (Including Superfund) for Non-Landfill Operations |  |
Changes to remedial liabilities |  |
Balance at the beginning of the period | 57,326 | 62,079
Measurement period adjustments from prior period acquisitions |  | 504
Accretion | 1,871 | 1,978
Changes in estimates recorded to statement of operations | 558 | 355
Expenditures | (4,028) | (5,792)
Currency translation and other | (1,863) | (1,798)
Balance at the end of the period | $ 53,864 | $ 57,326

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- Definition Accrual for Environmental Loss Contingencies, Increase (Decrease) for Acquisitions and Divestitures, Measurement Period Adjustment from Prior Period Acquisition + References No definition available. + Details
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- Definition Total costs accrued as of the balance sheet date for environmental loss contingencies. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6395460&loc=d3e13647-108346 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859 + Details
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- Definition Amount of expense (reversal of expense) which increases (decreases) the accrual for environmental loss contingencies from revisions in estimates to existing obligations. Excludes changes related to business acquisitions, divestitures, or currency movement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.Y.Q2) -URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
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