Note D - Accumulated Other Comprehensive (Loss) Income - Other Comprehensive (Loss) Income (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Beginning balance			$ 53,726
Ending balance	$ 59,956		59,956
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	(295)	(79)	95	(123)
OCI/OCL before reclassifications	2,287	424	1,834	482
Amounts Reclassified from OCI	(343)	(69)	(501)	(58)
Tax Effect of OCI Activity	(702)	(125)	(481)	(150)
Net current period OCI/OCL	1,242	230	852	274
Ending balance	947	151	947	151
AOCI Attributable to Parent [Member]
Beginning balance	(1,070)	(722)	(680)	(766)
OCI/OCL before reclassifications	2,287	424	1,834	482
Amounts Reclassified from OCI	(343)	(69)	(501)	(58)
Tax Effect of OCI Activity	(702)	(125)	(481)	(150)
Net current period OCI/OCL	1,242	230	852	274
Ending balance	$ 172	$ (492)	$ 172	$ (492)

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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