Short-term and Long-term Obligations - Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Jun. 30, 2015
Line of Credit Facility [Line Items]
Total debt	$ 93,795	$ 94,412
Current portion	(93,795)	(93,479)
Long-term portion	0	933
Building term Loan
Line of Credit Facility [Line Items]
Total debt	21,896	25,013
Bank of America | Building term Loan
Line of Credit Facility [Line Items]
Total debt	1,633	3,733
Line of Credit | Revolving Credit Facility
Line of Credit Facility [Line Items]
Total debt	71,899	69,399
Line of Credit | Revolving Credit Facility | Bank of America
Line of Credit Facility [Line Items]
Total debt	62,199	59,699
Line of Credit | Revolving Credit Facility | CTBC Bank | CTBC 2014 Facility
Line of Credit Facility [Line Items]
Total debt	9,700	9,700
Building term Loan | CTBC Bank | CTBC 2014 Facility
Line of Credit Facility [Line Items]
Total debt	$ 20,263	$ 21,280