Fair Value Measurement (Tables)

3 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Schedule of fair value of financial instruments

The following table presents the carrying amounts, estimated fair values, and valuation input levels of certain financial instruments as of September 30, 2015 and June 30, 2015: 

	September 30, 2015
	Carrying		Fair Value Measured Using						Fair
(in thousands)	Amount		Level 1		Level 2		Level 3		Value
Available-for-Sale Securities
Mutual Funds - Corporate & Government Debt	$	14,508	$	14,508	$	—	$	—	$	14,508
Held-to-Maturity Securities
Bonds: 1-3 years	2,427		—		2,410		—		2,410
Bonds: 3-5 years	1,088		—		1,079		—		1,079
Time deposits: 1-90 days	950		—		949		—		949
Time deposits: 91-360 days	5,735		—		5,740		—		5,740
Time deposits: over 360 days	2,742		—		2,741		—		2,741
Total	$	27,450	$	14,508	$	12,919	$	—	$	27,427

	June 30, 2015
	Carrying		Fair Value Measured Using						Fair
(in thousands)	Amount		Level 1		Level 2		Level 3		Value
Available-for-Sale Securities
Mutual Funds - Corporate & Government Debt	$	17,227	$	17,227	$	—	$	—	$	17,227
Held-to-Maturity Securities
Bonds: 1-3 years	2,073		—		2,057		—		2,057
Bonds: 3-5 years	1,453		—		1,438		—		1,438
Time deposits: 1-90 days	1,496		—		1,496		—		1,496
Time deposits: 91-360 days	4,438		—		4,440		—		4,440
Time deposits: over 360 days	4,990		—		4,993		—		4,993
Total	$	31,677	$	17,227	$	14,424	$	—	$	31,651