CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jul. 02, 2016
Cash flows from operating activities:
Net income	$ 62,453	$ 127,859	$ 8,580
Adjustments to reconcile net income to net cash provided by operating activities:
Change in deferred tax assets, net	9,244	(25,680)	0
Accretion of premiums on short-term investments	(1,194)	0	0
Amortization and write-off of debt discount and issuance costs	0	102	812
Amortization of deferred gain on sale-leaseback	(792)	(743)	(842)
Depreciation and amortization	30,180	21,544	16,755
(Gain) loss on disposal of property and equipment	1,581	(130)	32
Interest make-whole charge and induced conversion expense related to convertible notes	0	8,463	0
Stock-based compensation expense	14,964	11,195	8,201
Write-down of inventories designated to be sold to ZTE	3,083	0	0
Other adjustments	(91)	0	0
Changes in operating assets and liabilities:
Accounts receivable, net	24,086	(28,811)	(23,409)
Inventories	(7,033)	(26,997)	(11,008)
Prepaid expenses and other current assets	6,566	(17,940)	(2,383)
Other non-current assets	699	(255)	98
Accounts payable	(16,812)	17,819	11,293
Accrued expenses and other liabilities	(1,880)	9,128	(24)
Net cash provided by operating activities	125,054	95,554	8,105
Cash flows from investing activities:
Purchases of property and equipment	(57,607)	(70,069)	(29,588)
Purchases of short-term investments	(219,270)	(69,415)	0
Maturities of short-term investments	180,579	32,000	0
Proceeds from sale of property and equipment	0	231	0
Transfer (to) from restricted cash	716	(1)	2,418
Net cash used in investing activities	(95,582)	(107,254)	(27,170)
Cash flows from financing activities:
Proceeds from the exercise of stock options	0	135,153	0
Proceeds from the exercise of stock options	2,643	4,873	286
Shares repurchased for tax withholdings on vesting of restricted stock units	(3,738)	(4,426)	(1,641)
Payments on capital lease obligations	(1,186)	(2,183)	(3,151)
Net cash provided by (used in) financing activities	(2,281)	133,417	(4,506)
Effect of exchange rate on cash and cash equivalents	(773)	1,624	7,660
Net increase (decrease) in cash and cash equivalents	26,418	123,341	(15,911)
Cash and cash equivalents at beginning of fiscal year	219,270	95,929	111,840
Cash and cash equivalents at end of fiscal year	245,688	219,270	95,929
Supplemental disclosures of cash flow information:
Cash paid for interest	24	13,313	3,936
Cash paid for income taxes	549	1,939	334
Cash paid for interest make-whole and induced conversion charges related to the exercise of convertible notes	0	4,700	0
Supplemental disclosures of non-cash transactions:
Issuance of common stock in exchange for the net carrying value of the liability component of convertible notes	0	62,125	0
Unpaid property and equipment in accounts payable	5,933	10,388	8,176
Capital lease obligations incurred for purchases of property and equipment	$ 1,259	$ 397	$ 2,390