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Basis of Presentation (Details) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2017 USD ($) $ / shares shares | Mar. 31, 2016 USD ($) $ / shares shares | Mar. 31, 2017 USD ($) segment $ / shares shares | Mar. 31, 2016 USD ($) $ / shares shares | Feb. 28, 2017
Description of Business |  |  |  |  |
Number of reporting segments | segment |  |  | 3 |  |
Computation of basic and diluted earnings per share |  |  |  |  |
Net income for diluted earnings per share calculation | $ | $ 14,019 | $ 9,343 | $ 19,529 | $ 20,256 |
Weighted average shares outstanding for basic earnings per share calculation | 18,913 | 19,336 | 18,964 | 19,604 |
Dilutive effect of stock awards (in shares) | 602 | 605 | 621 | 657 |
Weighted average shares outstanding for diluted earnings per share calculation | 19,515 | 19,941 | 19,585 | 20,261 |
Basic earnings per share (in dollars per share) | $ / shares | $ 0.74 | $ 0.48 | $ 1.03 | $ 1.03 |
Diluted earnings per share (in dollars per share) | $ / shares | $ 0.72 | $ 0.47 | $ 1.00 | $ 1.00 |
Stock options excluded from computation due to antidilutive effect (in shares) | 48 | 70 | 47 | 39 |
Convertible Senior Notes Due 2022 |  |  |  |  |
Per Share Computations |  |  |  |  |
Interest rate (as a percentage) | 1.25% |  | 1.25% |  | 1.25%

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Antidilution -URI http://asc.fasb.org/extlink&oid=6505113 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Diluted Earnings Per Share -URI http://asc.fasb.org/extlink&oid=6510752 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Contingent Stock Agreement -URI http://asc.fasb.org/extlink&oid=6508534 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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