EARNINGS PER SHARE (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

The following table sets forth the computation of basic and diluted earnings per common share:  

	Three Months Ended March 31,
	2018		2017
	(in thousands, except share and per share amounts)
Net income attributable to McDermott	$	35,189	$	21,916
Weighted average common stock (basic)		284,658,938		241,829,988
Effect of dilutive securities:
Tangible equity units		-		38,000,936
Stock options, restricted stock and restricted stock units		391,586		2,454,671
Potential dilutive common stock		285,050,524		282,285,595
Net income per share attributable to McDermott
Basic:	$	0.12	$	0.09
Diluted:	$	0.12	$	0.08