Accumulated Other Comprehensive Income (Loss) - Changes in Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014		Jun. 30, 2013		Jun. 30, 2012
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income, balance	$ 652		$ 466		$ 1,042
Other comprehensive income (loss) before reclassifications	1,417		530		(703)
Other comprehensive income (loss), before reclassification adjustments, tax effect	(476)		(180)		239
Amount reclassified from AOCI, before tax	(1,041)		(248)		(170)
Amount reclassified from AOCI, tax effect	354		84		58
Net other comprehensive income (loss)	263		186		(576)
Net other comprehensive income for 2014	254
Accumulated other comprehensive income, balance	906		652		466
Unrealized gains (losses) on available-for-sale investments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income, balance	652	[1]	466	[1]	1,042	[1]
Other comprehensive income (loss) before reclassifications	1,399	[1]	530	[1]	(703)	[1]
Other comprehensive income (loss), before reclassification adjustments, tax effect	(476)	[1]	(180)	[1]	239	[1]
Amount reclassified from AOCI, before tax	(1,041)	[1]	(248)	[1]	(170)	[1]
Amount reclassified from AOCI, tax effect	354	[1]	84	[1]	58	[1]
Net other comprehensive income (loss)			186	[1]	(576)	[1]
Net other comprehensive income for 2014	236	[1]
Accumulated other comprehensive income, balance	888	[1]	652	[1]	466	[1]
Foreign currency translation adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated other comprehensive income, balance	0		0		0
Other comprehensive income (loss) before reclassifications	18		0		0
Other comprehensive income (loss), before reclassification adjustments, tax effect	0		0		0
Amount reclassified from AOCI, before tax	0		0		0
Amount reclassified from AOCI, tax effect	0		0		0
Net other comprehensive income (loss)			0		0
Net other comprehensive income for 2014	18
Accumulated other comprehensive income, balance	$ 18		$ 0		$ 0

[1] Amounts reclassified from unrealized gains (losses) on available-for-sale investments, net of tax, were recorded in investment income (loss) on the Consolidated Statements of Operations.