Note K - Derivatives and Hedging (Details Textual) € in Millions	3 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2015 EUR (€)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member]
Derivative, Notional Amount			€ 21.6	$ 19,400,000
Cash Flow Hedging [Member]
Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion	$ 58,000	$ 1,300,000
Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	(38,000)
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion		$ 150,000
Accrued Liabilities [Member]
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value				156,000
Cash Flow Hedge Derivative Instrument Assets at Fair Value					$ 45,000
Prepaid Expenses and Other Current Assets [Member]
Cash Flow Hedge Derivative Instrument Assets at Fair Value					528,000
Noncurrent Liabilities [Member]
Cash Flow Hedge Derivative Instrument Assets at Fair Value					$ 9,000
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net	$ 0
Accumulated Other Comprehensive Income (Loss) Cumulative Cash Flow Hedges, Gain (Loss)				(121,000)
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months				$ (121,000)