LONG-TERM DEBT: (Tables)

3 Months Ended

Jun. 30, 2018

Debt Disclosure [Abstract]

Schedule of components of long-term debt

Long-term debt consists of the following (dollars in thousands): 

	June 30, 2018		March 31, 2018
Revolving credit borrowings	$	230,000	$	230,000
Other debt	2,701		3,293
Total long-term debt	232,701		233,293
Less current installments	1,327		1,583
Less deferred debt financing costs	3,939		3,873
Long-term debt, excluding current installments and deferred debt financing costs	$	227,435	$	227,837