Stock-based Compensation and Stockholders' Equity - Determining Fair Value (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	6 Months Ended
Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Risk-free interest rate	1.42%	1.50%
Expected term	5 years 3 months 22 days	5 years 5 months 9 days		5 years 5 months 9 days
Dividend yield (as a percent)	0.00%	0.00%	0.00%	0.00%
Volatility (as a percent)	49.46%	49.31%
Weighted-average fair value (in dollars per share)	$ 11.50	$ 11.64	$ 11.54	$ 11.69
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Stock-based compensation expense before taxes	$ 4,006	$ 3,181	$ 7,882	$ 6,161
Income tax impact	(1,814)	(785)	(2,099)	(1,392)
Stock-based compensation expense, net	2,192	2,396	5,783	4,769
Excess tax benefits accounted in additional paid-in capital			878	5,003
Excess tax benefit from financing activities			355	2,782
Employee stock option
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Unrecognized compensation cost related to non-vested stock-based awards	34,478		$ 34,478
Unrecognized compensation cost related to non-vested stock based awards, period for recognition			2 years 3 months 29 days
Cost of sales
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Stock-based compensation expense before taxes	258	222	$ 498	429
Research and development
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Stock-based compensation expense before taxes	2,472	1,997	4,874	3,893
Sales and marketing
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Stock-based compensation expense before taxes	435	414	839	779
General and administrative
Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]
Stock-based compensation expense before taxes	$ 841	$ 548	$ 1,671	$ 1,060
Minimum
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Risk-free interest rate			1.42%	1.50%
Expected term			5 years 3 months 22 days
Volatility (as a percent)			47.06%	46.93%
Maximum
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Risk-free interest rate			1.57%	1.76%
Expected term			5 years 3 months 29 days
Volatility (as a percent)			49.46%	49.31%

Amount of increase in additional paid in capital (APIC) resulting from a tax benefit associated with share-based compensation plan other than an employee stock ownership plan (ESOP). Includes, but is not limited to, excess tax benefit.

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-Section 45
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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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The amount of expense, net of income tax, recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Unrecognized cost of unvested share-based compensation awards.

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period.

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Amount of cash inflow from realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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The risk-free interest rate assumption that is used in valuing an option on its own shares.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Expected term of share-based compensation awards, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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