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Note 10 - Fair Value of Financial Instruments (Tables) | 12 Months Ended
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Mar. 31, 2018
Notes Tables |
Fair Value, by Balance Sheet Grouping [Table Text Block] |
|  | 2018 |  |  |  |  |  |  | 2017 |
|  | Carrying |  |  | Estimated |  |  | Carrying |  |  | Estimated |
|  | Amount |  |  | Fair Value |  |  | Amount |  |  | Fair Value |
|  | (In thousands) |
Long-term debt, including current portion |  | $ | 417,834 |  |  | $ | 417,485 |  |  | $ | 332,633 |  |  | $ | 332,926 |
Capital leases, including current portion |  | $ | 42,009 |  |  | $ | 39,023 |  |  | $ | 39,033 |  |  | $ | 37,505 |
|  |  | . |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13467-108611 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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- References No definition available. + Details
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