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- Definition

Gain loss on sale of business net of tax.

+ References

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

Amount of addition (reduction) to the amount at which an asset could be incurred (settled) in a current transaction between willing parties.

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No definition available.

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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=79982066&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

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

+ References

No definition available.

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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 number of businesses acquired by the entity during the period.

+ References

No definition available.

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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)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

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ACQUISITIONS, DIVESTITURES, AND ASSETS HELD FOR SALE - Additional Information (Detail)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2017 USD ($) Entity	Jun. 30, 2016 USD ($)	Dec. 31, 2016 USD ($)
Business Acquisition [Line Items]
Number of acquisitions			19
Net increase (decrease) in goodwill \| $			$ 20,514,000		$ 52,769,000
Effect of goodwill on income taxes \| $	$ 18,300,000		18,300,000
Acquisition and integration related expenses \| $	23,738,000	$ 25,185,000	43,558,000	$ 47,443,000
Assets and Liabilities Held for Sale, Not Discontinued Operations
Business Acquisition [Line Items]
Change in fair value of asset group \| $	$ 0		0
Customer relationships
Business Acquisition [Line Items]
Acquired finite-lived intangible assets \| $			$ 13,400,000
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
United States and Canada \| Regulated waste and compliance services
Business Acquisition [Line Items]
Number of acquisitions			2
United States and Canada \| Communication and related services
Business Acquisition [Line Items]
Number of acquisitions			1
United States and Canada \| Acquisition One \| Secure information destruction business
Business Acquisition [Line Items]
Number of acquisitions			9
United States and Canada \| Acquisition Two \| Secure information destruction business
Business Acquisition [Line Items]
Number of acquisitions			1
Business acquisition, ownership percentage acquired	100.00%		100.00%
Netherlands
Business Acquisition [Line Items]
Number of acquisitions			2
Netherlands \| Secure information destruction business \| International
Business Acquisition [Line Items]
Number of acquisitions			1
Netherlands \| Regulated waste and compliance services \| International
Business Acquisition [Line Items]
Number of acquisitions			1
Republic of Korea
Business Acquisition [Line Items]
Number of acquisitions			2
Republic of Korea \| Regulated waste and compliance services \| International
Business Acquisition [Line Items]
Number of acquisitions			2
Portugal
Business Acquisition [Line Items]
Number of acquisitions			1
Portugal \| Regulated waste and compliance services \| International
Business Acquisition [Line Items]
Number of acquisitions			1
Business acquisition, ownership percentage acquired	100.00%		100.00%
Spain
Business Acquisition [Line Items]
Number of acquisitions			1
Spain \| Regulated waste and compliance services \| International
Business Acquisition [Line Items]
Number of acquisitions			1
Business acquisition, ownership percentage acquired	100.00%		100.00%
UK \| Disposed of by Sale, Not Discontinued Operations
Business Acquisition [Line Items]
Proceeds from sale of certain assets \| $	$ 1,200,000
UK \| Disposed of by Sale, Not Discontinued Operations \| Selling, general and administrative expenses
Business Acquisition [Line Items]
Pretax loss from sale \| $	3,600,000
Loss from sale, net of tax \| $	$ 2,900,000