Note D - Accumulated Other Comprehensive (Loss) Income - Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2016	Sep. 30, 2015
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Accumulated Other Comprehensive (Loss) Income, Beginning Balance	$ (775)	$ (643)
Other comprehensive (loss) income before reclassifications
Amounts Reclassified from OCI
Tax Effect of OCI Activity
Other comprehensive income
Accumulated Other Comprehensive (Loss) Income, Ending Balance	(775)	(643)
Tax effect of OCI activity
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive (Loss) Income, Beginning Balance	95	(123)
Other comprehensive (loss) income before reclassifications	(452)	58
Amounts Reclassified from OCI	(158)	11
Tax Effect of OCI Activity	220	25
Other comprehensive income	(390)	44
Accumulated Other Comprehensive (Loss) Income, Ending Balance	(295)	(79)
Tax effect of OCI activity	(220)	(25)
Accumulated Other Comprehensive (Loss) Income, Beginning Balance	(680)	(766)
Other comprehensive (loss) income before reclassifications	(452)	58
Amounts Reclassified from OCI	(158)	11
Tax Effect of OCI Activity	220	25
Other comprehensive income	(390)	44
Accumulated Other Comprehensive (Loss) Income, Ending Balance	(1,070)	(722)
Tax effect of OCI activity	$ (220)	$ (25)

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e637-108580

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
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-URI http://asc.fasb.org/extlink&oid=66004124&loc=d3e681-108580

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580

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Amount before tax and reclassification adjustments of other comprehensive income (loss).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Topic 220
-SubTopic 10
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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Amount before tax of reclassification adjustments of other comprehensive income (loss).

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