COMMITMENTS AND CONTINGENCIES (Tables)

9 Months Ended

Dec. 31, 2015

Commitments And Contingencies Disclosure [Abstract]

Schedule of Vessel Commitments to Acquire and Construct New Vessels and ROVs, by Vessel Type

The table below summarizes the company’s various vessel commitments to acquire and construct new vessels, by vessel type, as of December 31, 2015:

	Number				Invested		Remaining
	of		Total		Through		Balance
(In thousands, except vessel count)	Vessels		Cost		12/31/15		12/31/15
Vessels under construction (A):
Deepwater PSVs		8	$	335,746		231,256		104,490
Towing-supply vessels		1		16,280		13,580		2,700
Total vessel commitments (B)		9	$	352,026		244,836		107,190

(A)   Six additional option vessels and a fast supply boat are not included in the table above.

(B) The company is entitled to receive a refund of prior shipyard payments totaling approximately $43 million (of which $12 million was received in January 2016) which would offset the remaining balance of vessel commitments. See further discussion below.