OTHER CURRENT AND NONCURRENT ASSETS: (Tables)

12 Months Ended

Mar. 31, 2020

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of components of other current assets

Other current assets consist of the following (dollars in thousands): 

	March 31, 2020		March 31, 2019
Prepaid expenses and other	$	12,737	$	9,058
Receivable for cash settlement of withheld income tax withholdings on equity award releases	7,658		—
Post-closing receivable from IPG	—		17,625
Interest receivable	648		2,497
Assets of non-qualified retirement plan	11,623		14,970
Other current assets	$	32,666	$	44,150

Schedule of components of other noncurrent assets

Other noncurrent assets consist of the following (dollars in thousands): 

	March 31, 2020		March 31, 2019
Internally developed software	889		2,486
Right-of-use asset (see Note 2)	17,830		—
Deferred tax asset	852		35
Deposits	2,562		2,463
Other miscellaneous noncurrent assets	5,032		5,819
Other assets, net	$	27,165	$	10,803