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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RESTRUCTURING AND OTHER RELATED CHARGES (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges, net	$ 2,860	$ 0	$ 3,046	$ 208
OneTEAM Program
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges, net	2,860	0	3,046	208
Professional fees	200	2,700	2,000	5,900
OneTEAM Program \| Severance and related costs
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges, net			3,046
Severance charges incurred cumulatively to date	11,500		11,500
OneTEAM Program \| Elimination of employee positions
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges, net	2,900		3,100
IHT \| OneTEAM Program \| Severance and related costs \| Operating segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges, net	837	26	845	128
MS \| OneTEAM Program \| Severance and related costs \| Operating segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges, net	1,554	32	1,684	117
Corporate and shared support services \| OneTEAM Program \| Severance and related costs \| Operating segments
Restructuring Cost and Reserve [Line Items]
Restructuring and other related charges, net	$ 469	$ (58)	$ 517	$ (37)