Note K - Derivatives and Hedging (Details Textual) € in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Mar. 31, 2016 EUR (€)	Mar. 31, 2016 USD ($)	Jun. 30, 2015 USD ($)
Other Current Liabilities [Member]
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value						$ 514,000
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 Assets at Fair Value							45,000
Noncurrent Liabilities [Member]
Cash Flow Hedge Derivative Instrument Assets at Fair Value							$ 9,000
Cash Flow Hedging [Member]
Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion	$ 118,000	$ 939,000	$ 125,000	$ 2,700,000
Foreign Currency Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net	2,000	$ 875,000	53,000	$ 1,500,000
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net	$ 0		$ 0
Derivative, Notional Amount					€ 24.7	27,800,000
Accumulated Other Comprehensive Income (Loss) Cumulative Cash Flow Hedges, Gain (Loss)						$ (500,000)