Investments - Summary of Investments Measured at Fair Value on a Recurring Basis (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Common Stock - International [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Beginning Balance	$ 95	$ 0
Return of capital	0	0
Total gains or losses (realized/unrealized)
Included in earnings (investment income)	0	0
Included in other comprehensive income	5	0
Purchases	0	95
Sales	0	0
Transfers into Level 3	0	0
Transfers out of Level 3	(100)	0
Ending Balance	0	95
Corporate debt [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Beginning Balance	0
Return of capital	0
Total gains or losses (realized/unrealized)
Included in earnings (investment income)	0
Included in other comprehensive income	0
Purchases	250
Sales	0
Transfers into Level 3	0
Transfers out of Level 3	0
Ending Balance	250
Other [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Beginning Balance	163	168
Return of capital	(43)	0
Total gains or losses (realized/unrealized)
Included in earnings (investment income)	0	0
Included in other comprehensive income	5	(5)
Purchases	160	0
Sales	0	0
Transfers into Level 3	0	0
Transfers out of Level 3	(285)	0
Ending Balance	$ 0	$ 163