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LONG-TERM DEBT: | 6 Months Ended
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Sep. 30, 2018
Debt Disclosure [Abstract] |
LONG-TERM DEBT: | LONG-TERM DEBT: Long-term debt consists of the following (dollars in thousands):
|  | September 30, 2018 |  | March 31,2018
Revolving credit borrowings |  | $ | 230,000 |  | $ | 230,000
Other debt |  | — |  | 3,293
Total long-term debt |  | 230,000 |  | 233,293
Less current installments |  | — |  | 1,583
Less deferred debt financing costs |  | 3,693 |  | 3,873
Long-term debt, excluding current installments and deferred debt financing costs |  | $ | 226,307 |  | $ | 227,837
The revolving loan borrowings under the Company's Sixth Amended and Restated Credit Agreement (the "restated credit agreement") bear interest at LIBOR or at an alternative base rate ("ABR") plus a credit spread. The weighted-average interest rate on revolving credit borrowings at September 30, 2018 was the ABR rate of 5.75%. There were no material outstanding letters of credit at September 30, 2018 or March 31, 2018.

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- Definition The entire disclosure for long-term debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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