Gain loss on sale of business net of tax.

No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date 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=65885119&loc=d3e1392-128463

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- 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=35744584&loc=d3e6927-128479

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- 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=73531572&loc=d3e1043-128460

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- Definition

Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=73530397&loc=d3e4845-128472

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

No definition available.

+ Details

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- Definition

Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment.

+ References

No definition available.

+ Details

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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 958
-SubTopic 225
-Section 45
-Paragraph 11
-Subparagraph (a)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Impairment
-URI http://asc.fasb.org/extlink&oid=6515133

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Publisher FASB
-Name Accounting Standards Codification
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2420-110228

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Cash outflow representing an adjustment to the purchase price of a previous acquisition.

+ References

No definition available.

+ Details

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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-Section 45
-Paragraph 13
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-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585

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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
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-Publisher FASB
-Name Accounting Standards Codification
-Glossary Investing Activities
-URI http://asc.fasb.org/extlink&oid=6516133

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ACQUISITIONS, DIVESTITURES, AND ASSETS HELD FOR SALE - Additional Information (Detail) $ in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2016 USD ($) Entity	Dec. 31, 2015 USD ($) Entity	Dec. 31, 2014 USD ($) Entity
Business Acquisition [Line Items]
Number of acquisitions			31	43	44
Net increase (decrease) in goodwill \| $			$ 52,769	$ 1,450,950
Effect of goodwill on income taxes \| $		$ 40,300	40,300
Net increase in Intangible Assets \| $		35,600	35,600
Acquisition related expenses \| $			9,646	39,138	$ 13,333
Proceeds from sale of business \| $			790
Assets and Liabilities Held for Sale, Not Discontinued Operations \| Selling, general and administrative expenses
Business Acquisition [Line Items]
Impairment charges \| $			25,500
Customer relationships
Business Acquisition [Line Items]
Acquired finite-lived intangible assets \| $			$ 34,600
Customer relationships \| Minimum
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, useful life			10 years
Customer relationships \| Maximum
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, useful life			40 years
Covenants not-to-compete
Business Acquisition [Line Items]
Acquired finite-lived intangible assets \| $			$ 1,000
Acquired finite-lived intangible assets, useful life			5 years
Shred-It
Business Acquisition [Line Items]
Net increase in Intangible Assets \| $		$ 1,108,056	$ 1,108,056
Aggregate purchase price \| $				$ 2,300,000
Additional cash consideration paid \| $	$ 9,500
United States
Business Acquisition [Line Items]
Number of acquisitions			21	19	17
United States \| Regulated waste and compliance services
Business Acquisition [Line Items]
Number of acquisitions			2
United States \| Communication and related services
Business Acquisition [Line Items]
Number of acquisitions			1
United States \| Acquisition One \| Secure information destruction business
Business Acquisition [Line Items]
Number of acquisitions			15
United States \| Acquisition Two \| Regulated waste and compliance services
Business Acquisition [Line Items]
Number of acquisitions			3
Business acquisition, ownership percentage acquired		100.00%	100.00%
Republic of Korea
Business Acquisition [Line Items]
Number of acquisitions			1	6	1
Republic of Korea \| Regulated waste and compliance services \| International
Business Acquisition [Line Items]
Number of acquisitions			1
Spain
Business Acquisition [Line Items]
Number of acquisitions			3	4	3
Spain \| Secure information destruction business \| International
Business Acquisition [Line Items]
Business acquisition, ownership percentage acquired		100.00%	100.00%
Spain \| Regulated waste and compliance services \| International
Business Acquisition [Line Items]
Number of acquisitions			2
Romania
Business Acquisition [Line Items]
Number of acquisitions			2	4	3
Romania \| Regulated waste and compliance services \| International
Business Acquisition [Line Items]
Number of acquisitions			2
United Kingdom
Business Acquisition [Line Items]
Number of acquisitions			1	0	3
United Kingdom \| Disposed of by Sale, Not Discontinued Operations
Business Acquisition [Line Items]
Proceeds from sale of business \| $		$ 800
United Kingdom \| Disposed of by Sale, Not Discontinued Operations \| Selling, general and administrative expenses
Business Acquisition [Line Items]
Pretax loss from sale \| $		1,600
Loss from sale, net of tax \| $		$ 1,300
United Kingdom \| Regulated waste and compliance services \| International
Business Acquisition [Line Items]
Number of acquisitions			1
Australia
Business Acquisition [Line Items]
Number of acquisitions			3	0	0
Australia \| Secure information destruction business \| International
Business Acquisition [Line Items]
Number of acquisitions			3