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Investments - Available for Sale and Held to Maturity Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Jun. 30, 2016
Available-for-sale Securities [Abstract]
Adjusted Cost	$ 12,908	$ 12,908
Unrealized Gain	0	0
Unrealized Loss	(60)	(101)
Fair Value	12,848	12,807
Held-to-maturity Securities [Abstract]
Held-to-maturity securities	5,895	8,503
Unrealized Gain	10	18
Unrealized Loss	(5)	(6)
Fair Value	5,900	8,515
Mutual Funds - Corporate & Government Debt
Available-for-sale Securities [Abstract]
Adjusted Cost	12,908	12,908
Unrealized Gain	0	0
Unrealized Loss	(60)	(101)
Fair Value	12,848	12,807
Fixed Income Bonds
Held-to-maturity Securities [Abstract]
Held-to-maturity securities	3,401	3,513
Unrealized Gain	6	11
Unrealized Loss	(5)	(6)
Fair Value	3,402	3,518
Time Deposits
Held-to-maturity Securities [Abstract]
Held-to-maturity securities	2,494	4,990
Unrealized Gain	4	7
Unrealized Loss	0	0
Fair Value	$ 2,498	$ 4,997

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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