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A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

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Amount of costs incurred to date for the specified restructuring cost.

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- Definition

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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RESTRUCTURING AND OTHER RELATED CHARGES (CREDITS) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges, net	$ 228	$ 2,047	$ 436	$ 4,458
OneTEAM Program
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges, net	228	2,047	436	4,458
Professional fees	3,800	4,300	9,800	11,800
OneTEAM Program \| Severance and related costs (credits)
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges, net			436
Severance charges incurred cumulatively to date	7,200		$ 7,200
Duration of program-related expenses			3 years
IHT \| OneTEAM Program \| Severance and related costs (credits) \| Operating segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges, net	0	468	$ 128	1,436
MS \| OneTEAM Program \| Severance and related costs (credits) \| Operating segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges, net	0	408	117	739
Quest Integrity \| OneTEAM Program \| Severance and related costs (credits) \| Operating segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges, net	62	7	62	40
Corporate and shared support services \| OneTEAM Program \| Severance and related costs (credits) \| Operating segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges, net	$ 166	$ 1,164	$ 129	$ 2,243