Income Taxes - Narrative (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Income Tax Disclosure [Line Items]
Deferred tax liabilities, cumulative undistributed foreign earnings	$ 42,515
Unrecognized tax benefits that would impact effective tax rate, if recognized	16,723	$ 10,971
Unrecognized tax benefits, income tax penalties and interest accrued	1,042	$ 898
Research Tax Credit Carryforward
Income Tax Disclosure [Line Items]
State research and development tax credit carryforwards attributable to stock option exercises	6,837
Research Tax Credit Carryforward | State and Local Jurisdiction
Income Tax Disclosure [Line Items]
State research and development tax credit carryforwards	$ 9,898