Summary of Significant Accounting Policies - Summary of Computation of Net Income Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Numerator:
Net income	$ 573us-gaap_NetIncomeLoss	$ 2,494us-gaap_NetIncomeLoss	$ 6,761us-gaap_NetIncomeLoss	$ 9,032us-gaap_NetIncomeLoss
Denominator:
Basic weighted-average common shares outstanding (in shares)	96,069	101,594	97,785	107,385
Effect of dilutive securities:
Stock awards and options (in shares)	1,166	1,974	1,500	2,929
Warrants (in shares)	490	3,010	508	3,403
Diluted weighted-average common shares outstanding (in shares)	97,725	106,578	99,793	113,717
Net income per share, basic (USD per share)	$ 0.01us-gaap_EarningsPerShareBasic	$ 0.02us-gaap_EarningsPerShareBasic	$ 0.07us-gaap_EarningsPerShareBasic	$ 0.08us-gaap_EarningsPerShareBasic
Net income per share, diluted (USD per share)	$ 0.01us-gaap_EarningsPerShareDiluted	$ 0.02us-gaap_EarningsPerShareDiluted	$ 0.07us-gaap_EarningsPerShareDiluted	$ 0.08us-gaap_EarningsPerShareDiluted

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of call options and warrants using the treasury stock method.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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