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Note 10 - Earnings per Share - Calculation of Weighted Average Shares (Details) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
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Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2015 | Mar. 31, 2014
Weighted average common shares outstanding for basic calculation (in shares) | 28,925 us-gaap_WeightedAverageNumberOfSharesIssuedBasic | 28,920 us-gaap_WeightedAverageNumberOfSharesIssuedBasic | 28,927 us-gaap_WeightedAverageNumberOfSharesIssuedBasic | 28,916 us-gaap_WeightedAverageNumberOfSharesIssuedBasic
Effect of dilutive stock options and other share-based awards (in shares) | 317 us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment | 351 us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment | 335 us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment | 368 us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment
Weighted average common shares outstanding adjusted for dilution calculation (in shares) | 29,242 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 29,271 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 29,262 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 29,284 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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- Definition The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1505-109256 + Details
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- Definition This element represents the weighted average total number of shares issued throughout the period including the first (beginning balance outstanding) and last (ending balance outstanding) day of the period before considering any reductions (for instance, shares held in treasury) to arrive at the weighted average number of shares outstanding. Weighted average relates to the portion of time within a reporting period that common shares have been issued and outstanding to the total time in that period. Such concept is used in determining the weighted average number of shares outstanding for purposes of calculating earnings per share (basic). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e2646-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1448-109256 + Details
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Period Type: | duration