Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Reduction in income taxes payable
Reduction in income taxes payable	$ 2,208	$ 37,024	$ 727
Deferred tax asset valuation allowance
Deferred tax asset valuation allowance	(10,119)	$ (10,144)
Unrecognized tax benefits that if recognized would reduce the effective tax rate	23,500
Accrued interest	1,200
Accrued penalties related to uncertain tax positions	800
Benefit for interest and penalties	800
Foreign
Tax Credit Carryforward
Net operating loss carryforwards	6,900
Research and development tax credit carryforward | State
Tax Credit Carryforward
Tax credit carryforward	1,200
Alternative minimum tax credit carryforward | Domestic | U.S. Federal
Tax Credit Carryforward
Tax credit carryforward	400
Foreign tax credit carryforwards | Domestic | U.S. Federal
Tax Credit Carryforward
Tax credit carryforward	$ 8,100