Note K - Derivatives and Hedging (Details Textual)	3 Months Ended	6 Months Ended	3 Months Ended		6 Months Ended
	Dec. 31, 2014 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2014 Cash Flow Hedging [Member] USD ($)	Dec. 31, 2013 Cash Flow Hedging [Member] USD ($)	Dec. 31, 2014 Cash Flow Hedging [Member] USD ($)	Dec. 31, 2013 Cash Flow Hedging [Member] USD ($)	Dec. 31, 2014 Cash Flow Hedging Foreign Exchange Contract [Member] USD ($)	Dec. 31, 2014 Cash Flow Hedging Foreign Exchange Contract [Member] EUR (€)	Dec. 31, 2014 Prepaid Expenses and Other Current Assets [Member] USD ($)	Jun. 30, 2014 Prepaid Expenses and Other Current Assets [Member] USD ($)	Jun. 30, 2014 Accrued Liabilities [Member] USD ($)	Jun. 30, 2014 Other Noncurrent Assets Net [Member] USD ($)
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Derivative, Notional Amount							$ 13,600,000	€ 9,900,000
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax		1,200,000
Cash Flow Hedge Derivative Instrument Assets at Fair Value									1,500,000	46,000	74,000	4,000
Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion			461,000		1,700,000
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion			426,000		576,000
Derivative Instruments, Loss Recognized in Other Comprehensive Income (Loss), Effective Portion				149,000		568,000
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion				163,000		245,000
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net	$ 0	$ 0