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Organization and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Jun. 30, 2017
Reconciliation of Denominators of Basic and Diluted Earnings Per Share Computations | The following is a reconciliation of the denominators of the basic and diluted earnings per share computations:
|  | Years Ended June 30, |
|  |  | 2017 |  |  |  | 2016 |  |  |  | 2015 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares outstanding used to compute basic EPS |  |  | 68.3 |  |  |  | 70.0 |  |  |  | 71.3 |
Effect of dilutive stock options |  |  | 0.5 |  |  |  | 3.4 |  |  |  | 3.2 |
Weighted-average shares outstanding and dilutive securities used to compute diluted EPS |  |  | 68.8 |  |  |  | 73.4 |  |  |  | 74.5 |
Schedule of Anti-Dilutive Options and Restricted Stock Units Excluded from EPS Computation | These potential dilutive common shares, which may be dilutive to future diluted earnings per share, are as follows:
|  | Years Ended June 30, |
|  |  | 2017 |  |  |  | 2016 |  |  |  | 2015 |
Anti-dilutive options and RSUs excluded from EPS computation |  |  | 7.0 |  |  |  | — |  |  |  | — |
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] |
Schedule of Cumulative Translation Adjustments Included in Other Comprehensive Income | The following table shows the cumulative translation adjustments included in other comprehensive income:
Ending balance June 30, 2016 |  | $ | (10.1 | )
Period translation adjustments |  |  | 4.4 |
Ending balance June 30, 2017 |  |  | (5.7 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + 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 (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + 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 + Details
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