OTHER CURRENT AND NONCURRENT ASSETS: (Tables)

6 Months Ended

Sep. 30, 2019

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): 

	September 30, 2019		March 31, 2019
Prepaid expenses and other	$	17,318	$	9,058
Post-closing receivable from IPG	17,625		17,625
Interest receivable	1,366		2,497
Assets of non-qualified retirement plan	14,746		14,970
Other current assets	$	51,055	$	44,150

Schedule of components of other noncurrent assets

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

	September 30, 2019		March 31, 2019
Acquired intangible assets, net	$	30,873	$	24,217
Right of use asset	19,158		—
Other miscellaneous noncurrent assets	8,626		8,282
Other assets, net	$	58,657	$	32,499