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Investments - Available for Sale and Held to Maturity Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Jun. 30, 2015
Available-for-sale Securities [Abstract]
Adjusted Cost	$ 12,908	$ 17,250
Unrealized Gain	0	6
Unrealized Loss	(189)	(29)
Fair Value	12,719	17,227
Held-to-maturity Securities [Abstract]
Carrying Value	9,243	14,450
Unrealized Gain	10	11
Unrealized Loss	(14)	(37)
Fair Value	9,239	14,424
Mutual Funds - Corporate & Government Debt
Available-for-sale Securities [Abstract]
Adjusted Cost	12,908	17,250
Unrealized Gain	0	6
Unrealized Loss	(189)	(29)
Fair Value	12,719	17,227
Fixed Income Bonds
Held-to-maturity Securities [Abstract]
Carrying Value	3,510	3,526
Unrealized Gain	5	0
Unrealized Loss	(14)	(32)
Fair Value	3,501	3,494
Time Deposits
Held-to-maturity Securities [Abstract]
Carrying Value	5,733	10,924
Unrealized Gain	5	11
Unrealized Loss	0	(5)
Fair Value	$ 5,738	$ 10,930

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

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