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Stock-Based Compensation and Stockholders' Equity (Tables) | 12 Months Ended
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Jun. 30, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | The fair value of stock option grants for the years ended June 30, 2014, 2013 and 2012 was estimated on the date of grant using the Black-Scholes option pricing model with the following assumptions:
| Years Ended June 30,
| 2014 |  | 2013 |  | 2012
Risk-free interest rate | 1.53% - 1.90% |  |  | 0.65% - 0.90% |  |  | 0.83% - 1.32% |
Expected life | 5.49 - 5.58 years |  |  | 5.03 - 5.15 years |  |  | 5.01 - 5.04 years |
Dividend yield | — | % |  | — | % |  | — | %
Volatility | 43.48% - 50.07% |  |  | 51.27% - 51.76% |  |  | 45.62% - 53.72% |
Weighted-average fair value | $ | 7.23 |  |  | $ | 4.53 |  |  | $ | 7.15 |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs | The following table shows total stock-based compensation expense included in the consolidated statements of operations for the years ended June 30, 2014, 2013 and 2012 (in thousands):
| Years Ended June 30,
| 2014 |  | 2013 |  | 2012
Cost of sales | $ | 941 |  |  | $ | 953 |  |  | $ | 783 |
Research and development | 6,783 |  |  | 6,527 |  |  | 5,542 |
Sales and marketing | 1,260 |  |  | 1,541 |  |  | 1,469 |
General and administrative | 2,078 |  |  | 2,340 |  |  | 2,458 |
Stock-based compensation expense before taxes | 11,062 |  |  | 11,361 |  |  | 10,252 |
Income tax impact | (2,426 | ) |  | (548 | ) |  | (1,582 | )
Stock-based compensation expense, net | $ | 8,636 |  |  | $ | 10,813 |  |  | $ | 8,670 |
Schedule of Share-based Compensation, Stock Options, Activity | The following table summarizes stock option activity during the years ended June 30, 2014, 2013 and 2012 under all stock option plans:
|  | Options Outstanding |  | Weighted Average Exercise Price per Share |  | Weighted Average Remaining Contractual Term (in Years) |  | Aggregate Intrinsic Value (in thousands)
Balance as of June 30, 2011 (6,617,414 shares exercisable at weighted average exercise price of $7.18 per share) |  | 10,480,785 |  |  | $ | 8.86 |  |  |  |  |
Granted (weighted average fair value of $7.15) |  | 2,381,700 |  |  | 15.89 |  |  |  |  |
Exercised |  | (1,211,070 | ) |  | 7.06 |  |  |  |  |
Forfeited |  | (349,187 | ) |  | 14.60 |  |  |  |  |
Balance as of June 30, 2012 (7,410,152 shares exercisable at weighted average exercise price of $8.25 per share) |  | 11,302,228 |  |  | 10.36 |  |  |  |  |
Granted (weighted average fair value of $4.53) |  | 1,952,270 |  |  | 11.83 |  |  |  |  |
Exercised |  | (612,034 | ) |  | 3.01 |  |  |  |  |
Forfeited |  | (436,286 | ) |  | 14.01 |  |  |  |  |
Balance as of June 30, 2013 (8,731,818 shares exercisable at weighted average exercise price of $9.66 per share) |  | 12,206,178 |  |  | 10.83 |  |  |  |  |
Granted (weighted average fair value of $7.23) |  | 1,808,006 |  |  | 15.87 |  |  |  |  |
Exercised |  | (2,863,878 | ) |  | 8.36 |  |  |  |  |
Forfeited |  | (244,704 | ) |  | 14.25 |  |  |  |  |
Balance as of June 30, 2014 |  | 10,905,602 |  |  | $ | 12.24 |  |  | 6.28 |  | $ | 142,053 |
Options vested and expected to vest at June 30, 2014 |  | 10,633,458 |  |  | $ | 12.16 |  |  | 6.20 |  | $ | 139,430 |
Options vested and exercisable at June 30, 2014 |  | 7,558,631 |  |  | $ | 11.05 |  |  | 5.21 |  | $ | 107,481 |
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range | Additional information regarding options outstanding as of June 30, 2014, is as follows:
|  | Options Outstanding |  | Options Vested and Exercisable
Range of Exercise Prices |  | Number Outstanding |  | Weighted- Average Remaining Contractual Term (Years) |  | Weighted- Average Exercise Price Per Share |  | Number Exercisable |  | Weighted- Average Exercise Price Per Share
$2.60 - 6.14 |  | 1,373,230 |  |  | 3.37 |  | $ | 4.87 |  |  | 1,373,230 |  |  | $ | 4.87 |
6.21 - 8.36 |  | 1,149,959 |  |  | 4.08 |  | 7.97 |  |  | 1,149,959 |  |  | 7.97 |
8.47 - 10.35 |  | 1,355,173 |  |  | 6.76 |  | 9.62 |  |  | 761,809 |  |  | 9.55 |
10.66 - 11.76 |  | 1,259,691 |  |  | 6.02 |  | 10.92 |  |  | 1,025,009 |  |  | 10.74 |
11.81 - 13.61 |  | 1,313,886 |  |  | 6.73 |  | 12.70 |  |  | 1,037,201 |  |  | 12.72 |
13.67 - 14.23 |  | 1,333,831 |  |  | 6.53 |  | 13.98 |  |  | 677,016 |  |  | 13.81 |
15.22 - 17.29 |  | 1,369,860 |  |  | 7.54 |  | 16.41 |  |  | 839,991 |  |  | 16.31 |
17.69 - 18.93 |  | 1,496,712 |  |  | 8.24 |  | 18.58 |  |  | 607,694 |  |  | 18.67 |
20.70 |  | 231,260 |  |  | 8.56 |  | 20.70 |  |  | 86,722 |  |  | 20.70 |
21.86 |  | 22,000 |  |  | 9.62 |  | 21.86 |  |  | — |  |  | — |
$2.60 - $21.86 |  | 10,905,602 |  |  | 6.28 |  | $ | 12.24 |  |  | 7,558,631 |  |  | $ | 11.05 |
Nonvested Restricted Stock Shares Activity | The following table summarizes the Company’s restricted stock award activity for the year ended June 30, 2014, 2013 and 2012:
| Restricted Stock Awards
| Number of Shares |  | Weighted Average Grant Date Fair Value Per Share
Nonvested stock at June 30, 2011 | 538,923 |  |  | $ | 10.66 |
Granted | 3,500 |  |  | 17.29 |
Vested | (179,641 | ) |  | 10.66 |
Forfeited | — |  |  | — |
Nonvested stock at June 30, 2012 | 362,782 |  |  | 10.72 |
Granted | — |  |  | — |
Vested | (183,141 | ) |  | 10.79 |
Forfeited | — |  |  | — |
Nonvested stock at June 30, 2013 | 179,641 |  |  | 10.66 |
Granted | 3,500 |  |  | 14.23 |
Vested | (183,141 | ) |  | 10.73 |
Forfeited | — |  |  | — |
Nonvested stock at June 30, 2014 | — |  |  | $ | — |

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- Definition Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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