CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jun. 27, 2015
Cash flows from operating activities:
Net income (loss)	$ 127,859	$ 8,580	$ (56,692)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	21,544	16,755	18,613
Stock-based compensation expense	11,195	8,201	6,164
Interest make-whole charge and induced conversion expense related to convertible notes	8,463	0	0
Amortization and write-off of debt discount and issuance costs	102	812	305
Release of valuation allowance on deferred tax assets	(25,680)	0	0
Amortization of deferred gain on sale-leaseback	(743)	(842)	(914)
(Gain) loss on sale of property and equipment	(130)	32	(83)
Gain on sale of Komoro Business	0	0	(8,315)
Adjustment to the hold-backs related to the sales of the Zurich and Amplifier Businesses	0	0	7,650
Other adjustments	0	0	161
Changes in operating assets and liabilities:
Accounts receivable, net	(28,811)	(23,409)	138
Inventories	(26,997)	(11,008)	(5,308)
Prepaid expenses and other current assets	(17,940)	(2,383)	7,996
Other non-current assets	(255)	98	(267)
Accounts payable	9,643	9,455	(4,873)
Accrued expenses and other liabilities	9,128	(24)	(10,828)
Net cash provided by (used in) operating activities	87,378	6,267	(46,253)
Cash flows from investing activities:
Purchases of property and equipment	(61,893)	(27,750)	(18,084)
Purchases of short-term investments	(69,415)	0	0
Maturities of short-term investments	32,000	0	0
Proceeds from sale of property and equipment	231	0	0
Transfer (to) from restricted cash	(1)	2,418	1,793
Proceeds from sale of investments		0	141
Net cash provided by (used in) investing activities	(99,078)	(25,332)	847
Cash flows from financing activities:
Proceeds from the exercise of stock options	135,153	0	0
Proceeds from the exercise of stock options	4,873	286	42
Shares repurchased for tax withholdings on vesting of restricted stock units	(4,426)	(1,641)	0
Payments on capital lease obligations	(2,183)	(3,151)	(4,153)
Proceeds from the sale of convertible notes, net	0	0	60,941
Net cash provided by (used in) financing activities	133,417	(4,506)	56,830
Effect of exchange rate on cash and cash equivalents	1,624	7,660	1,443
Net increase (decrease) in cash and cash equivalents	123,341	(15,911)	12,867
Cash and cash equivalents at beginning of fiscal year	95,929	111,840	98,973
Cash and cash equivalents at end of fiscal year	219,270	95,929	111,840
Supplemental disclosures of cash flow information:
Cash paid for interest	13,313	3,936	123
Cash paid for income taxes	1,939	334	507
Cash paid for interest make-whole and induced conversion charges related to the exercise of convertible notes	4,700	0	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	62,125	0	0
Purchases of property and equipment funded by accounts payable	10,388	8,176	0
Capital lease obligations incurred for purchases of property and equipment	397	2,390	0
Komoro
Cash flows from investing activities:
Proceeds from sale of business	0	0	14,647
Zurich
Cash flows from investing activities:
Proceeds from sale of business	0	0	1,410
Amplifier
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Adjustment to the hold-backs related to the sales of the Zurich and Amplifier Businesses			3,100
Cash flows from investing activities:
Proceeds from sale of business	$ 0	$ 0	$ 940