Income Taxes (Details) (USD $)	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Income (loss) before provision for income taxes
Domestic	$ 121,329,000	$ 54,587,000	$ (14,086,000)
Foreign	7,204,000	2,851,000	(1,066,000)
Income (loss) before provision for (benefit from) income taxes	128,533,000	57,438,000	(15,152,000)
Federal
Current	0	0	0
Deferred	32,996,000	7,867,000	(3,409,000)
State
Current	528,000	136,000	191,000
Deferred	1,005,000	693,000	33,000
Foreign
Current	7,785,000	7,068,000	3,292,000
Deferred	436,000	(3,588,000)	(1,451,000)
Provision for (benefit from) income taxes	42,750,000	12,176,000	(1,344,000)
Income Tax Reconciliation
Federal tax provision (benefit) at statutory rate	44,989,000	20,103,000	(5,303,000)
State income taxes	78,000	88,000	124,000
Subpart F and dividend income	6,667,000	4,456,000	4,189,000
Foreign taxes and rate differences	1,881,000	2,298,000	1,001,000
Stock-based compensation	631,000	900,000	2,968,000
Tax credits	(8,902,000)	(4,816,000)	(3,913,000)
Tax contingencies	(261,000)	(168,000)	(2,385,000)
Return to provision adjustments	150,000	(149,000)	442,000
Domestic production activity deduction	(2,443,000)	0	0
Valuation allowance	(16,000)	(1,813,000)	1,431,000
Benefit from foreign restructuring	0	(9,266,000)	0
Other	(24,000)	543,000	102,000
Provision for (benefit from) income taxes	42,750,000	12,176,000	(1,344,000)
Deferred tax assets:
Federal and state credits	4,354,000	4,918,000
Foreign tax credits	4,752,000	33,310,000
Federal and state loss carryforwards	104,000	6,221,000
Capital loss carryforwards	8,012,000	8,076,000
Foreign loss carryforwards	1,672,000	1,653,000
Deferred revenue	4,823,000	4,198,000
Restructuring accruals	26,000	34,000
Other reserves and accruals	6,074,000	4,834,000
Intangible assets	419,000	719,000
Property, leasehold improvements, and other basis differences	2,005,000	2,829,000
Other temporary differences	3,065,000	3,504,000
Deferred tax assets, total	35,306,000	70,296,000
Deferred tax liabilities:
Deferred revenue	(194,000)	(151,000)
Intangible assets	(1,295,000)	(1,444,000)
Property, leasehold improvements, and other basis differences	(298,000)	(16,000)
Other temporary differences	(826,000)	(677,000)
Deferred tax liabilities, total	(2,613,000)	(2,288,000)
Valuation allowance	(9,959,000)	(9,943,000)
Net deferred tax assets	22,734,000	58,065,000
Operating Loss Carryforwards
Alternative minimum tax (AMT) credit carryforwards	4,400,000
Deferred tax liability eliminated on restructuring		9,300,000
Capital loss recognized for tax purposes		22,200,000
U.S. capital loss carryforward deferred tax asset	8,000,000
Reconciliation of the reserve for uncertain tax positions
Unrecognized tax positions, beginning of year	22,031,000	21,906,000	24,835,000
Gross increases-tax positions in prior period	112,000	1,150,000	2,072,000
Gross decreases-tax positions in prior period	0	0	(1,468,000)
Gross increases-tax positions in current period	0	0	0
Gross decreases-lapse of statutes	(823,000)	(1,172,000)	(2,954,000)
Currency translation adjustment	(127,000)	147,000	(579,000)
Unrecognized tax positions, end of year	21,193,000	22,031,000	21,906,000
Unrecognized tax benefits that if recognized would reduce the effective tax rate	18,400,000
Accrued interest	2,000,000
Accrued penalties related to uncertain tax positions	1,000,000
Benefit for interest and penalties	100,000
Foreign
Operating Loss Carryforwards
Net operating loss carryforwards	6,900,000
U.S. federal
Operating Loss Carryforwards
Net operating loss carryforwards	106,800,000
Reduction in income tax payable	$ 700,000	$ 500,000