Note K - Derivatives and Hedging (Details Textual) € in Millions	12 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 EUR (€)	Jun. 30, 2015 USD ($)
Cash Flow Hedging Foreign Exchange Contract [Member]
Derivative, Notional Amount			€ 23.7	$ 27,100,000
Reclassification out of Accumulated Other Comprehensive Income [Member]
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months				(168,000)
Prepaid Expenses and Other Current Assets [Member]
Cash Flow Hedge Derivative Instrument Assets at Fair Value				528,000
Accrued Liabilities [Member]
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value				45,000
Other Noncurrent Liabilities [Member]
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value				9,000
Cash Flow Hedging [Member]
Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion	$ 2,200,000
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion	$ 2,400,000
Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion		$ 508,000
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion		474,000
Accumulated Other Comprehensive Income (Loss) Cumulative Cash Flow Hedges, Gain (Loss)		28,000		191,000
Accumulated Other Comprehensive Income (Loss) Cumulative Cash Flow Hedges Gain (Loss), Tax Effect		$ 10,000		$ 68,000