CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012
Cash Flows from Operating Activities:
Net income (loss)	$ (21,941)	$ (69,242)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	18,574	17,274
(Recovery of) provision for other receivables	(88)	0
Provision for doubtful accounts	53	94
Amortization of debt discount and issuance costs	2,552	0
Amortization of premium on investments	870	1,610
Stock-based compensation expense	23,802	31,684
Non-cash Tax Benefit	0	(18)
Other gain	(243)	(479)
Changes in assets and liabilities:
Accounts receivable	19,805	(11,021)
Other receivables	2,131	(2,228)
Inventory	(3,603)	(28,774)
Prepaid expenses and other assets	(8,398)	33
Deferred inventory costs	(160)	4,877
Accounts payable	(30,624)	(1,048)
Accrued liabilities and other expenses	1,640	3,690
Deferred revenue	(1,655)	(6,683)
Accrued warranty	6,680	2,434
Net provided by (cash used) in operating activities	9,395	(57,797)
Cash Flows from Investing Activities:
Purchase of available-for-sale investments	(206,528)	(50,134)
Proceeds from sale of available-for-sale investments	2,850	6,694
Proceeds from maturities and calls of investments	77,143	95,368
Purchase of property and equipment	(13,605)	(22,238)
Reimbursement of manufacturing capacity advance	0	50
Change in restricted cash	110	(564)
Net cash provided by (used in) investing activities	(140,030)	29,176
Cash Flows from Financing Activities:
Proceeds from issuance of debt, net	144,469	0
Proceeds from issuance of common stock	21,551	11,280
Repurchase of common stock	(1,541)	(875)
Net cash provided by financing activities	164,479	10,405
Effect of exchange rate changes on cash	(881)	358
Net change in cash and cash equivalents	32,963	(17,858)
Cash and cash equivalents at beginning of period	104,666	94,458
Cash and cash equivalents at end of period	137,629	76,600
Supplemental disclosures of cash flow information:
Cash paid for income taxes	1,536	755
Supplemental schedule of non-cash financing activities:
Non-cash settlement for manufacturing capacity advance	0	275
Transfer of inventory to fixed assets	$ 6,672	$ 738