XML 23 R41.htm IDEA: XBRL DOCUMENT
v3.19.3.a.u2

REMEDIAL LIABILITIES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Environmental Remediation Obligations [Abstract] |
Changes to Remedial Liabilities | The changes to remedial liabilities from January 1, 2018 through December 31, 2019 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, 2018 | $ | 1,800 |  |  | $ | 65,342 |  |  | $ | 57,326 |  |  | $ | 124,468 |
Accretion | 86 |  |  | 2,745 |  |  | 1,871 |  |  | 4,702 |
Changes in estimates recorded to consolidated statement of operations | (1 | ) |  | 130 |  |  | 558 |  |  | 687 |
Expenditures | (47 | ) |  | (3,759 | ) |  | (4,028 | ) |  | (7,834 | )
Currency translation and other | — |  |  | 857 |  |  | (1,863 | ) |  | (1,006 | )
Balance at December 31, 2018 | 1,838 |  |  | 65,315 |  |  | 53,864 |  |  | 121,017 |
Accretion | 88 |  |  | 2,639 |  |  | 1,808 |  |  | 4,535 |
Changes in estimates recorded to consolidated statement of operations | (17 | ) |  | (913 | ) |  | (2,087 | ) |  | (3,017 | )
Expenditures | (59 | ) |  | (5,079 | ) |  | (3,724 | ) |  | (8,862 | )
Currency translation and other | 1 |  |  | 29 |  |  | 470 |  |  | 500 |
Balance at December 31, 2019 | $ | 1,851 |  |  | $ | 61,991 |  |  | $ | 50,331 |  |  | $ | 114,173 |
Remedial Liabilities Anticipated Payments for Each of the Next Five Years | Anticipated payments at December 31, 2019 (based on current estimated costs and anticipated timing of necessary regulatory approvals to commence work on remedial activities) for each of the next five years and thereafter were as follows (in thousands):
Year ending December 31, |
2020 | $ | 16,729 |
2021 | 17,883 |
2022 | 9,207 |
2023 | 7,930 |
2024 | 5,701 |
Thereafter | 77,000 |
Undiscounted remedial liabilities | 134,450 |
Less: Discount | (20,277 | )
Total remedial liabilities | $ | 114,173 |
Environmental Exit Costs by Cost | The following tables show, respectively, (i) the amounts of such estimated liabilities associated with the types of facilities and sites involved and (ii) the amounts of such estimated liabilities associated with each facility or site which represents at least 5% of the total and with all other facilities and sites as a group and as of December 31, 2019. Estimates based on type of facility or site (in thousands, except percentages):
Type of Facility or Site | Remedial Liability |  | % of Total |  | Reasonably Possible Additional Liabilities (1)
Facilities now used in active conduct of the Company's business (39 facilities) | $ | 44,381 |  |  | 38.9 | % |  | $ | 10,691 |
Inactive facilities not now used in active conduct of the Company's business but most of which were acquired because the assumption of remedial liabilities for such facilities was part of the purchase price for the CSD assets (37 facilities) | 61,991 |  |  | 54.3 |  |  | 10,658 |
Superfund sites owned by third parties (17 sites) | 7,801 |  |  | 6.8 |  |  | 780 |
Total | $ | 114,173 |  |  | 100.0 | % |  | $ | 22,129 |
___________________________________
(1) | Amounts represent the high end of the range of management's best estimate of the reasonably possible additional liabilities.
Estimates based on amount of potential liability (in thousands, except percentages):
Location | Type of Facility or Site |  | Remedial Liability(1) |  | % of Total |  | Reasonably Possible Additional Liabilities(2)
Baton Rouge, LA | Closed incinerator and landfill |  | $ | 22,690 |  |  | 19.9 | % |  | $ | 3,975 |
Bridgeport, NJ | Closed incinerator |  | 18,191 |  |  | 15.9 |  |  | 2,578 |
Mercier, Quebec | Idled incinerator and legal proceedings |  | 10,761 |  |  | 9.4 |  |  | 1,098 |
Linden, NJ | Operating solvent recycling center |  | 7,312 |  |  | 6.4 |  |  | 762 |
Various | All other incinerators, landfills, wastewater treatment facilities and service centers (72 facilities) |  | 47,418 |  |  | 41.6 |  |  | 12,936 |
Various | Superfund sites (each representing less than 5% of total liabilities) owned by third parties (17 sites) |  | 7,801 |  |  | 6.8 |  |  | 780 |
Total |  |  | $ | 114,173 |  |  | 100.0 | % |  | $ | 22,129 |
_________________________________ (1) $18.4 million of the $114.2 million remedial liabilities include estimates related to the legal and administrative proceedings discussed in Note 18, "Commitments and Contingencies," as well as other such estimated remedial liabilities.

X
- Definition Remedial Liabilities Anticipated Payments for Each of the Next Five Years [Table Text Block] + References No definition available. + Details
Name: | clh_RemedialLiabilitiesAnticipatedPaymentsForEachOfNextFiveYearsTableTextBlock
Namespace Prefix: | clh_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of material liabilities for remediation, site restoration, postclosure, monitoring commitments, or other exit costs that may occur on the sale, disposal or abandonment of a property as a result of unanticipated contamination of the assets. + 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.Q4) -URI http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751 + Details
Name: | us-gaap_EnvironmentalExitCostsByCostTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EnvironmentalRemediationObligationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 2: 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 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -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 4: 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 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
Name: | us-gaap_ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration