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Investments - Available for Sale and Held to Maturity Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Jun. 30, 2015
Available-for-sale Securities [Abstract]
Adjusted Cost	$ 12,920	$ 17,250
Unrealized Gain	0	6
Unrealized Loss	(217)	(29)
Fair Value	12,703	17,227
Held-to-maturity Securities [Abstract]
Carrying Value	11,257	14,450
Unrealized Gain	1	11
Unrealized Loss	(59)	(37)
Fair Value	11,199	14,424
Mutual Funds - Corporate & Government Debt
Available-for-sale Securities [Abstract]
Adjusted Cost	12,920	17,250
Unrealized Gain	0	6
Unrealized Loss	(217)	(29)
Fair Value	12,703	17,227
Fixed Income Bonds
Held-to-maturity Securities [Abstract]
Carrying Value	3,520	3,526
Unrealized Gain	0	0
Unrealized Loss	(49)	(32)
Fair Value	3,471	3,494
Time Deposits
Held-to-maturity Securities [Abstract]
Carrying Value	7,737	10,924
Unrealized Gain	1	11
Unrealized Loss	(10)	(5)
Fair Value	$ 7,728	$ 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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