REMEDIAL LIABILITIES (Details) (USD $) In Thousands	6 Months Ended
Jun. 30, 2011
Changes to remedial liabilities
Balance at the beginning of the period	$ 137,613
Accretion	3,142
Changes in estimates recorded to statement of income	(402)
Settlement of obligations	(3,791)
Currency translation and other	610
Balance at the end of the period	137,172
Remedial Liabilities for Landfill Sites
Changes to remedial liabilities
Balance at the beginning of the period	5,511
Accretion	134
Changes in estimates recorded to statement of income	(8)
Settlement of obligations	(31)
Currency translation and other	96
Balance at the end of the period	5,702
Remedial Liabilities for Inactive Sites
Changes to remedial liabilities
Balance at the beginning of the period	82,354
Accretion	1,888
Changes in estimates recorded to statement of income	271
Settlement of obligations	(1,801)
Currency translation and other	6
Balance at the end of the period	82,718
Remedial Liabilities (Including Superfund) for Non-Landfill Operations
Changes to remedial liabilities
Balance at the beginning of the period	49,748
Accretion	1,120
Changes in estimates recorded to statement of income	(665)
Settlement of obligations	(1,959)
Currency translation and other	508
Balance at the end of the period	$ 48,752

The increase or decrease in the accrual for environmental loss contingencies, during the reporting period that is related to currency translations and other adjustments.

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef
-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://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 96-1
-Paragraph 161
-Subparagraph a
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 5
-Paragraph 9
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349

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- Definition

The Increase or Decrease in the accrual for environmental loss in the period from revisions in estimates to existing obligations. The amount does not relate to changes in the environmental accrual related to business acquisitions or divestitures, or to currency movements.

+ 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=6572457&loc=d3e149879-122751

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- Definition

The aggregate amount disbursed during the reporting period to settle environmental loss contingencies.

+ References

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- Definition

The amount added to the accrual for newly incurred environmental loss contingencies. These additions include remediation expense and interest accretion. These additions do not relate to changes in the environmental accrual related to a business acquisition or divestiture, to currency movements, or revisions in previously existing estimates.

+ References

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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