FAIR VALUE OF FINANCIAL INSTRUMENTS: (Tables)

9 Months Ended

Dec. 31, 2020

Fair Value Disclosures [Abstract]

Schedule of financial assets and liabilities measured at fair value

The following tables detail the fair value measurements within the fair value hierarchy of the Company's financial assets and liabilities at December 31, 2020 and March 31, 2020 (dollars in thousands):

	December 31, 2020
	Level 1		Level 2		Level 3		Total
Other current assets:
Assets of non-qualified retirement plan	$	16,425	$	—	$	—	$	16,425
Total	$	16,425	$	—	$	—	$	16,425

	March 31, 2020
	Level 1		Level 2		Level 3		Total
Other current assets:
Assets of non-qualified retirement plan	$	11,623	$	—	$	—	$	11,623
Total	$	11,623	$	—	$	—	$	11,623