FINANCIAL INSTRUMENTS: (Tables)

3 Months Ended

Jun. 30, 2017

Fair Value Disclosures [Abstract]

Schedule of financial assets and liabilities measured at fair value

The following table presents the balances of assets and liabilities measured at fair value as of June 30, 2017 (dollars in thousands): 

	Level 1		Level 2		Level 3		Total
Assets:
Other current assets	$	13,608	$	—	$	—	$	13,608
Total assets	$	13,608	$	—	$	—	$	13,608