OTHER CURRENT AND NONCURRENT ASSETS: (Tables)

6 Months Ended

Sep. 30, 2018

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, 2018		March 31, 2018
Prepaid expenses and other	$	7,973	$	6,622
Assets of non-qualified retirement plan	15,223		13,551
Other current assets	$	23,196	$	20,173

Schedule of components of other noncurrent assets

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

	September 30, 2018		March 31, 2018
Acquired intangible assets, net	$	28,969	$	33,922
Other miscellaneous noncurrent assets	7,512		3,932
Other assets, net	$	36,481	$	37,854