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Note K - Derivatives and Hedging (Details Textual) € in Millions | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) | Jun. 30, 2018 EUR (€)
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net, Total | $ 0 |  | $ 189,000 |
Accumulated Other Comprehensive Income (Loss) Cumulative Cash Flow Hedges, Gain (Loss) | 328,000 | $ 328,000 | 646,000 |
Deferred Tax Assets, Derivative Instruments | 76,000 | 76,000 | 232,000 |
Prepaid Expenses and Other Current Assets [Member] |  |  |  |
Cash Flow Hedge Derivative Instrument Assets at Fair Value | 55,000 | 55,000 |  |
Other Noncurrent Assets [Member] |  |  |  |
Cash Flow Hedge Derivative Instrument Assets at Fair Value | 46,000 | 46,000 |  |
Accrued Liabilities [Member] |  |  |  |
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value | 101,000 | 101,000 |  |
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |
Foreign Currency Cash Flow Hedge Gain (Loss) to be Reclassified During Next 12 Months | (321,000) | (321,000) |  |
Cash Flow Hedging [Member] |  |  |  |
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax |  | (1,400,000) | (320,000) |
Derivative Instruments, Loss Reclassified from Accumulated OCI into Income, Effective Portion |  | 900,000 | 430,000 |
Derivative Instruments, Gain Reclassified from Accumulated OCI into Income, Effective Portion |  | 2,600,000 | $ 685,000 |
Foreign Exchange Contract [Member] |  |  |  |
Derivative, Notional Amount | 34,400,000 | 34,400,000 |  | € 29
Foreign Exchange Contract [Member] | Cash Flow Hedging [Member] |  |  |  |
Derivative, Notional Amount | $ 34,400,000 | $ 34,400,000 |  | € 29

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges recorded to Accumulated Other Comprehensive Income Loss. + References No definition available. + Details
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- Definition Fair value of all asset derivatives designated as cash flow hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from derivative instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=115928272&loc=d3e28680-109314 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32621-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32632-109319 + Details
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