Disposal group including discontinued operation deal costs.

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- Definition

Restructuring charges approximate paid over period.

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- Definition

Amount classified as assets attributable to disposal group held for sale or disposed of.

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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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No definition available.

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- Definition

Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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- Definition

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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Amount classified as liabilities attributable to disposal group held for sale or disposed of.

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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.

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- Definition

Amount of expected cost remaining for the specified restructuring cost.

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No definition available.

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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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.

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No definition available.

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RESTRUCTURING, DIVESTITURES AND DISPOSAL GROUPS HELD FOR SALE - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Apr. 06, 2020	Dec. 31, 2019
Restructuring Cost And Reserve [Line Items]
Restructuring charges approximate paid over period	1 year
Proceeds from sale of business	$ 0	$ 13,600,000
Pre-tax gain (loss) from sale	(58,300,000)	5,400,000
Domestic Environmental Solutions Less Retained Business
Restructuring Cost And Reserve [Line Items]
Recognized non-cash impairment charge	58,300,000
Deal costs	10,800,000
Domestic Environmental Solutions Less Retained Business \| Subsequent Event
Restructuring Cost And Reserve [Line Items]
Sale price for transaction			$ 462,500,000
Assets and Liabilities Held for Sale, Not Discontinued Operations
Restructuring Cost And Reserve [Line Items]
Assets held for sale	551,100,000			$ 0
Liabilities held for sale	144,500,000			$ 0
Accrued Liabilities
Restructuring Cost And Reserve [Line Items]
Restructuring charges future payments accrued	$ 3,200,000
Selling, General and Administrative Expenses
Restructuring Cost And Reserve [Line Items]
Restructuring charges		5,300,000
All Other \| Selling, General and Administrative Expenses
Restructuring Cost And Reserve [Line Items]
Restructuring charges		4,600,000
International Regulated Waste And Compliance Services \| Disposal Group, Disposed of by Sale, Not Discontinued Operations \| United Kingdom
Restructuring Cost And Reserve [Line Items]
Proceeds from sale of business		14,900,000
International Regulated Waste And Compliance Services \| Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Notes Receivable \| United Kingdom
Restructuring Cost And Reserve [Line Items]
Proceeds from sale of business		1,300,000
International Regulated Waste And Compliance Services \| Selling, General and Administrative Expenses
Restructuring Cost And Reserve [Line Items]
Restructuring charges		600,000
International Regulated Waste And Compliance Services \| Divestiture Losses (Gains) \| Disposal Group, Disposed of by Sale, Not Discontinued Operations \| United Kingdom
Restructuring Cost And Reserve [Line Items]
Pre-tax gain (loss) from sale		5,800,000
North America Regulated Waste And Compliance Services \| Selling, General and Administrative Expenses
Restructuring Cost And Reserve [Line Items]
Restructuring charges		$ 100,000