Intangible Assets, Period Increase (Decrease)

No definition available.

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Period Type:	duration

- Definition

Number of Business For Which Selected Assets Acquired

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of voting equity interests acquired in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 52

-Subparagraph c

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 68

-Subparagraph k

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 141

-Paragraph 53

-Subparagraph d

-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.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 25

-Paragraph 23

-URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e1043-128460

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 59

-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.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 159

-Paragraph 18

-Subparagraph f

-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 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 18

-Paragraph 20

-Subparagraph a (1)

-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.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Change in the carrying value of goodwill. The change could be the result of new goodwill acquired, goodwill impairment, if any, goodwill written off related to the sale of a business or other adjustments to goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph e

-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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141R

-Paragraph 72

-Subparagraph d

-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.

+ Details

Name:	us-gaap_GoodwillPeriodIncreaseDecrease
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Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of businesses acquired by the entity during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Details

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ACQUISITIONS AND DIVESTITURES - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended																		3 Months Ended											3 Months Ended			6 Months Ended			3 Months Ended		6 Months Ended
	Jun. 30, 2013 Entity	Jun. 30, 2013 Entity	Jun. 30, 2012	Jun. 30, 2013 United States Entity	Jun. 30, 2013 Brazil Entity	Jun. 30, 2013 Canada Entity	Jun. 30, 2013 Chile Entity	Jun. 30, 2013 Japan Entity	Jun. 30, 2013 Portugal Entity	Jun. 30, 2013 Romania Entity	Jun. 30, 2013 Spain Entity	Jun. 30, 2013 United Kingdom Entity	Jun. 30, 2013 International	Jun. 30, 2013 Customer relationships	Jun. 30, 2013 Customer relationships Minimum	Jun. 30, 2013 Customer relationships Maximum	Jun. 30, 2013 Covenants not-to-compete	Jun. 30, 2013 Covenants not-to-compete Minimum	Jun. 30, 2013 Covenants not-to-compete Maximum	Mar. 31, 2013 Regulated waste management services Entity	Mar. 31, 2013 Regulated waste management services Canada Entity	Mar. 31, 2013 Regulated waste management services Chile Entity	Jun. 30, 2013 Regulated waste management services Japan Entity	Mar. 31, 2013 Regulated waste management services Japan Entity	Jun. 30, 2013 Regulated waste management services Portugal Entity	Mar. 31, 2013 Regulated waste management services Portugal Entity	Jun. 30, 2013 Regulated waste management services Romania Entity	Mar. 31, 2013 Regulated waste management services Romania Entity	Mar. 31, 2013 Regulated waste management services Spain Entity	Jun. 30, 2013 Regulated waste management services Spain	Jun. 30, 2013 Regulated waste management services United Kingdom Entity	Mar. 31, 2013 Regulated waste management services United Kingdom Entity	Jun. 30, 2013 Regulated recall and returns management services United Kingdom Entity	Jun. 30, 2013 2013 Acquisitions Customer relationships Minimum	Jun. 30, 2013 2013 Acquisitions Customer relationships Maximum	Jun. 30, 2013 2013 Acquisitions Covenants not-to-compete	Jun. 30, 2013 Acquisition One [Member] Regulated waste management services Brazil Entity	Jun. 30, 2013 Acquisition Two [Member] Regulated waste management services Brazil Entity	Jun. 30, 2013 Operating permits
Significant Acquisitions and Disposals [Line Items]
Number of acquisitions completed	12	24		5	2	1	1	3	2	2	1	7								12	1	1				1		1			1	3	1				1	1
Equity Method Investment, Ownership Percentage																														100.00%
Number of businesses for which selected assets were acquired																							1	2	1		1		1		1	1
Business acquisition, ownership percentage acquired																					100.00%	100.00%				100.00%		100.00%			100.00%	100.00%	100.00%				100.00%	70.00%
Goodwill period increase decrease		$ 58.4		$ 16.4									$ 42.0
Tax deductible goodwill amount	22.3	22.3
Intangible Assets, Period Increase (Decrease)		34.1												28.3			0.1																						5.7
Finite-Lived Intangible Asset, Useful Life															14 years	40 years		5 years	14 years															15 years	40 years	5 years
Acquisition related expenses		$ 4.1	$ 3.7