RESTRUCTURING (Tables)

12 Months Ended

Dec. 31, 2017

Restructuring And Related Activities [Abstract]

Restructuring Costs Incurred and Future Cost Expected to be Incurred

	Year ended December 31,					Incurred from  inception to
	2016			2015		December 31, 2017
	(In thousands)
Americas Restructuring	$	(1,350	)	$	2,308	$	6,883
McDermott Profitability Initiative
Severance and other personnel-related costs		2,590			15,217		17,807
Asset impairment and disposal		-			7,471		7,471
Legal and other advisor fees		222			7,414		11,639
Other		2,436			7,609		10,045
		5,248			37,711		46,962
Additional Overhead Reduction
Severance and other personnel-related costs		5,012			-		5,012
Legal and other advisor fees		1,968			800		2,768
Other		385			-		385
		7,365			800		8,165
Total	$	11,263		$	40,819	$	62,010