CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities
Net loss	$ (4,849)	$ (4,838)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	20,704	20,666
Amortization	1	140
Share-based compensation expense	3,047	3,319
Deferred income taxes, net	791	144
Gain on disposal of property and equipment	0	(92)
Impairment of long-lived assets	432	0
Government grant via forgiven loan	0	(250)
Changes in assets and liabilities:
Accounts receivable	6,745	5,605
Inventories	(3,736)	249
Other current and long-term assets	(2,453)	(939)
Accounts payable	2,285	(5,046)
Income taxes payable	327	(805)
Accrued and other liabilities	3,067	61
Net cash provided by operating activities	26,361	18,214
Cash flows from investing activities
Purchases of property and equipment	(13,777)	(12,579)
Proceeds from sale of property and equipment	0	50
Changes in restricted cash	22	(1)
Net cash used in investing activities	(13,755)	(12,530)
Cash flows from financing activities
Withholding tax on restricted stock units	(948)	(492)
Proceeds from exercise of stock options and ESPP	4,050	1,910
Payment for repurchases of common shares	(42,080)	(3,977)
Repayments of borrowings	0	(7,143)
Principal payments on capital leases	(706)	(790)
Net cash used in financing activities	(39,684)	(10,492)
Effect of exchange rate changes on cash and cash equivalents	(84)	(49)
Net decrease in cash and cash equivalents	(27,162)	(4,857)
Cash and cash equivalents at beginning of period	106,085	117,788
Cash and cash equivalents at end of period	78,923	112,931
Supplemental disclosures of non-cash investing and financing information:
Property and equipment purchased but not yet paid	5,326	4,137
Re-issuance of treasury stock	$ 164	$ 106