Note D - Accumulated Other Comprehensive (Loss) Income - Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Beginning balance			$ 53,726
Ending balance	$ 59,913		59,913
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member]
Beginning balance	(775)	$ (643)	(775)	$ (643)
OCI/OCL before reclassifications
Amounts reclassified from OCI
Tax effect of OCI activity
Net current period OCI/OCL
Ending balance	(775)	(643)	(775)	(643)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Beginning balance	947	151	95	(123)
OCI/OCL before reclassifications	(322)	(613)	1,512	(131)
Amounts reclassified from OCI	(383)	(120)	(884)	(178)
Tax effect of OCI activity	254	260	(227)	110
Net current period OCI/OCL	(451)	(473)	401	(199)
Ending balance	496	(322)	496	(322)
AOCI Attributable to Parent [Member]
Beginning balance	172	(492)	(680)	(766)
OCI/OCL before reclassifications	(322)	(613)	1,512	(131)
Amounts reclassified from OCI	(383)	(120)	(884)	(178)
Tax effect of OCI activity	254	260	(227)	110
Net current period OCI/OCL	(451)	(473)	401	(199)
Ending balance	$ (279)	$ (965)	$ (279)	$ (965)

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
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Amount after tax of other comprehensive income (loss) attributable to parent entity.

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