Short-Term and Long-term Obligations - Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Jun. 30, 2014
Line of Credit Facility [Line Items]
Total debt	$ 94,412	$ 46,287
Debt, current portion	(93,479)	(42,554)
Debt, long-term portion	933	3,733
Revolving Credit Facility [Member] | Line of Credit [Member]
Line of Credit Facility [Line Items]
Total debt	69,399	17,699
Revolving Credit Facility [Member] | Line of Credit [Member] | Bank of America [Member]
Line of Credit Facility [Line Items]
Total debt	59,699	17,699
CTBC 2014 Facility [Member] | Revolving Credit Facility [Member] | Line of Credit [Member] | CTBC [Member]
Line of Credit Facility [Line Items]
Total debt	9,700
CTBC 2013 Facility [Member] | Revolving Credit Facility [Member] | Line of Credit [Member] | CTBC [Member]
Line of Credit Facility [Line Items]
Total debt		0
Term Loan [Member]
Line of Credit Facility [Line Items]
Total debt	25,013	28,588
Term Loan [Member] | Bank of America [Member]
Line of Credit Facility [Line Items]
Total debt	3,733	6,533
Term Loan [Member] | CTBC 2014 Facility [Member] | CTBC [Member]
Line of Credit Facility [Line Items]
Total debt	$ 21,280
Term Loan [Member] | CTBC 2013 Facility [Member] | CTBC [Member]
Line of Credit Facility [Line Items]
Total debt		$ 22,055