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OTHER ACCRUED EXPENSES:
6 Months Ended
Sep. 30, 2018
Other Accrued Expenses [Abstract].  
OTHER ACCRUED EXPENSES OTHER ACCRUED EXPENSES:
 
Other accrued expenses consist of the following (dollars in thousands):
September 30, 2018March 31, 2018
Liabilities of non-qualified retirement plan 15,223 13,551 
Other miscellaneous accrued expenses 29,211 26,073 
Other accrued expenses $44,434 $39,624