CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Dec. 25, 2015	Dec. 26, 2014
Cash flows from operating activities
Net income for the period	$ 21,406	$ 19,762
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation	8,268	5,907
Amortization of intangibles	26	42
Gain on disposal of property, plant and equipment	(49)	(46)
Loss from sales and maturities of available-for-sale securities	124
Amortization of investment premium	457	298
Amortization of deferred debt issuance costs	358	228
Reversal of allowance for doubtful accounts	(7)	(3)
Unrealized loss (gain) on exchange rate and fair value of derivative	5,566	(19)
Share-based compensation	5,783	3,797
Deferred income tax	413	(84)
Other non-cash expenses	765	725
(Reversal of) inventory obsolescence	(478)	317
Loss from written-off inventory	233
Changes in operating assets and liabilities
Trade accounts receivable	(12,486)	(2,949)
Inventory	(10,004)	(3,551)
Other current assets and non-current assets	1,019	(34)
Trade accounts payable	(405)	3,852
Income tax payable	320	386
Other current liabilities and non-current liabilities	2,395	1,973
Net cash provided by operating activities	23,704	30,601
Cash flows from investing activities
Purchase of marketable securities	(53,258)	(143,684)
Proceeds from sales of marketable securities	25,709	1,056
Proceeds from maturities of marketable securities	34,460	543
Purchase of property, plant and equipment	(26,407)	(5,372)
Purchase of intangibles	(210)	(22)
Proceeds from disposal of property, plant and equipment	58	46
Net cash used in investing activities	(19,648)	(147,433)
Cash flows from financing activities
Payment of debt issuance costs	(359)	(1,746)
Proceeds from revolving loans	18,000
Repayment of long-term loans from bank	(3,000)	(3,000)
Proceeds from issuance of ordinary shares under employee share option plans	2,025	415
Withholding tax related to net share settlement of restricted share units	(1,711)	(293)
Net cash provided by (used in) financing activities	14,955	(4,624)
Net increase (decrease) in cash and cash equivalents	19,011	(121,456)
Movement in cash and cash equivalents
Cash and cash equivalents at beginning of period	112,978	233,477
Increase (decrease) in cash and cash equivalents	19,011	(121,456)
Effect of exchange rate on cash and cash equivalents	(630)	(50)
Cash and cash equivalents at end of period	131,359	111,971
Non-cash investing and financing activities
Construction and equipment-related payables	$ 6,657	$ 10,919