CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net income (loss)	$ 17,819,000	$ (122,745,000)	$ (66,503,000)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Adjustment in fair value of earn-out obligation	0	0	(2,158,000)
Amortization of deferred gain on sale-leasebacks	(2,134,000)	(2,059,000)	(985,000)
Amortization and write-off of debt discount and issuance costs	4,293,000	524,000	0
Depreciation and amortization	26,383,000	42,177,000	22,289,000
Flood-related non-cash losses	2,011,000	0	8,173,000
Gain on bargain purchase on acquisition of Opnext	0	(24,866,000)	0
Gain on sale of assets	0	(24,846,000)	0
(Gain) loss on sale of property and equipment	665,000	(80,000)	(11,566,000)
Impairment of goodwill, other intangible assets and long-lived assets	584,000	26,015,000	0
Stock-based compensation expense	6,243,000	7,212,000	6,592,000
Other adjustments	365,000	4,306,000	(4,185,000)
Changes in operating assets and liabilities, net of acquired businesses:
Accounts receivable, net	26,547,000	33,862,000	6,255,000
Inventories	15,517,000	14,449,000	14,898,000
Prepaid expenses and other current assets	(6,987,000)	(15,008,000)	(469,000)
Other non-current assets	1,509,000	(151,000)	(641,000)
Accounts payable	(27,179,000)	(23,393,000)	(5,111,000)
Accrued expenses and other liabilities	(14,657,000)	(2,895,000)	6,738,000
Net cash used in operating activities	(81,184,000)	(87,498,000)	(26,673,000)
Cash flows from investing activities:
Purchases of property and equipment	(8,756,000)	(17,202,000)	(20,292,000)
Proceeds from sale of building	0	0	18,664,000
Proceeds from sales of property and equipment	0	80,000	446,000
Proceeds from sale of assets	2,120,000	26,000,000	3,900,000
Proceeds from sale of investments	0	3,861,000	3,438,000
Transfer (to) from restricted cash, net of acquired businesses	(2,309,000)	17,893,000	(71,000)
Cash acquired from business combinations	0	36,123,000	0
Net cash provided by investing activities	169,200,000	66,755,000	6,085,000
Cash flows from financing activities:
Proceeds from issuance of common stock, net	(46,000)	1,646,000	97,000
Proceeds from borrowings under credit line	0	15,256,000	25,500,000
Proceeds from the sale of convertible notes, net	0	22,768,000	0
Proceeds from term loan, net	0	22,455,000	0
Payments on capital lease obligations	(7,073,000)	(6,676,000)	0
Repayments on borrowings under credit line, note payable and term loan	(64,964,000)	(16,040,000)	0
Cash paid under earnout obligations	0	(8,628,000)	(2,762,000)
Net cash provided by (used in) financing activities	(72,083,000)	30,781,000	22,835,000
Effect of exchange rate on cash and cash equivalents	(1,595,000)	12,837,000	(3,270,000)
Net increase (decrease) in cash and cash equivalents	14,338,000	22,875,000	(1,023,000)
Cash and cash equivalents at beginning of fiscal year	84,635,000	61,760,000	62,783,000
Cash and cash equivalents at end of fiscal year	98,973,000	84,635,000	61,760,000
Supplemental disclosures of cash flow information:
Cash paid for interest	10,437,000	2,496,000	743,000
Cash paid for income taxes	2,571,000	3,589,000	2,688,000
Supplemental disclosures of non-cash transactions:
Issuance of common stock in connection with exercise of convertible notes	23,050,000	0	0
Capital lease obligations incurred for purchases of property and equipment	0	(658,000)	0
Warrants issued in connection with term loans	0	667,000	0
Opnext
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Gain on bargain purchase on acquisition of Opnext	0	(24,866,000)	0
Supplemental disclosures of non-cash transactions:
Issuance of common stock, stock options and stock appreciation rights related to the acquisition of Opnext	0	89,842,000	0
Xtellus
Supplemental disclosures of non-cash transactions:
Issuance of common stock to settle liability	0	0	7,000,000
Mintera
Supplemental disclosures of non-cash transactions:
Issuance of common stock to settle liability	0	0	2,758,000
Zurich
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Gain on sale of business	(63,240,000)	0	0
Cash flows from investing activities:
Proceeds from sale of business	93,545,000	0	0
Amplifier
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Gain on sale of business	(68,923,000)	0	0
Cash flows from investing activities:
Proceeds from sale of business	$ 84,600,000	$ 0	$ 0