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Income Taxes - Effective Federal Tax Rate (Details)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Income Tax Disclosure [Abstract]
Tax at statutory rate	35.00%	35.00%	35.00%
State income tax-net of federal benefit	3.30%	3.80%	2.50%
Foreign tax rate differences	(2.50%)	(6.70%)	(1.00%)
Research and development tax credit	(4.00%)	(14.40%)	(5.70%)
Qualified production activity deduction	(1.80%)	(2.90%)	(2.40%)
Stock based compensation	4.50%	13.50%	6.20%
Uncertainty tax positions	(2.10%)	(11.00%)	(0.50%)
Subpart F income	(3.90%)	(3.80%)	(0.60%)
Foreign withholding tax	4.10%	5.50%	2.00%
Federal return to provision adjustment	(0.70%)	(3.90%)	(0.20%)
Other	0.10%	4.90%	(1.10%)
Effective tax rate	32.00%	20.00%	34.20%

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign withholding taxes.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to Subpart F income inclusion.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for qualified production activity.

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