Maximum potential aggregate earnout payment.

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- Definition

Right to receive, in aggregate maximum, shares.

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No definition available.

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- Definition

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

+ References

No definition available.

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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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- Definition

In a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred or to be transferred (as defined), this element represents the amount of gain recognized by the entity.

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- Definition

Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

+ References

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- Definition

Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date.

+ References

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

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Amount of liabilities assumed at the acquisition date.

+ References

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- Definition

The amount of property, plant, and equipment recognized as of the acquisition date.

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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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- Definition

Remaining amortization period 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.

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Amount of gain (loss) on sale or disposal of assets utilized in financial service operations.

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No definition available.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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- Definition

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

+ 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.

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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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Business Combinations And Dispositions (Narrative) (Details) - USD ($) shares in Thousands, $ in Thousands			3 Months Ended		12 Months Ended
	Nov. 04, 2014	Apr. 23, 2014	Sep. 30, 2016	Jun. 30, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition [Line Items]
GOODWILL					$ 83,576	$ 83,576	$ 86,326
(GAIN) LOSS ON SALE OF ASSETS—Net					6,175	(855)	732
Gain on bargain purchase acquisition							2,197
Environmental And Infrastructure Segment [Member]
Business Acquisition [Line Items]
GOODWILL					7,000	$ 7,000	$ 9,750
(GAIN) LOSS ON SALE OF ASSETS—Net					2,758
Great Lakes Environmental & Infrastructure, LLC [Member]
Business Acquisition [Line Items]
Adjustment to fair value of debt			$ 8,940
Fair value of debt			0
Maximum potential aggregate earnout payment			$ 11,400
Magnus Pacific Acquisition [Member]
Business Acquisition [Line Items]
Base purchase price	$ 40,000
Payments for previous acquisition	25,000
Maximum potential aggregate earnout payment	$ 11,400
Business combination, recognized identifiable assets acquired and liabilities assumed, current assets, receivables					57,303
Business combination, recognized identifiable assets acquired and liabilities assumed, property, plant, and equipment					11,573
Business combination, recognized identifiable assets acquired and liabilities assumed, intangibles					8,422
Business combination, recognized identifiable assets acquired and liabilities assumed, liabilities					27,586
Business combination, recognized identifiable assets acquired and liabilities assumed, current liabilities, accounts payable					20,732
GOODWILL					$ 7,000
Finite-lived intangible assets amortization period					5 years
Right to receive, in aggregate maximum, shares					1,500
Magnus Pacific Acquisition [Member] \| Excess Of Billings [Member]
Business Acquisition [Line Items]
Business combination, recognized identifiable assets acquired and liabilities assumed, current assets, receivables					$ 41,067
Magnus Pacific Acquisition [Member] \| Backlog [Member]
Business Acquisition [Line Items]
Finite-lived intangible assets amortization period					1 year
Magnus Pacific Acquisition [Member] \| 5.75% Senior Notes Due In 2023 [Member]
Business Acquisition [Line Items]
Adjustment to fair value of debt				$ 7,013
Fair value of debt				$ 0
NASDI, LLC and Yankee Environmental Services, LLC
Business Acquisition [Line Items]
Proceeds from divestiture of businesses		$ 5,309