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REMEDIAL LIABILITIES (Tables) | 9 Months Ended
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Sep. 30, 2017
Environmental Remediation Obligations [Abstract] |
Changes to remedial liabilities | The changes to remedial liabilities for the nine months ended September 30, 2017 were as follows (in thousands):
| Remedial Liabilities for Landfill Sites |  | Remedial Liabilities for Inactive Sites |  | Remedial Liabilities (Including Superfund) for Non-Landfill Operations |  | Total
Balance at January 1, 2017 | $ | 1,777 |  |  | $ | 64,151 |  |  | $ | 62,079 |  |  | $ | 128,007 |
Measurement period adjustments from prior period acquisitions | — |  |  | — |  |  | 504 |  |  | 504 |
Accretion | 64 |  |  | 1,976 |  |  | 1,473 |  |  | 3,513 |
Changes in estimates recorded to statement of operations | (34 | ) |  | (277 | ) |  | 256 |  |  | (55 | )
Expenditures | (30 | ) |  | (3,099 | ) |  | (4,328 | ) |  | (7,457 | )
Currency translation and other | (1 | ) |  | 2,742 |  |  | (1,740 | ) |  | 1,001 |
Balance at September 30, 2017 | $ | 1,776 |  |  | $ | 65,493 |  |  | $ | 58,244 |  |  | $ | 125,513 |

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- Definition Tabular disclosure of environmental loss contingencies by individual site. Does not include loss contingencies that are not environmental in nature. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 10 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859 Reference 3: http://www.xbrl.org/2003/role/presentationRef -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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13283-110859 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13296-110859 + Details
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