Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 28, 2015	Jun. 29, 2014
Cash flows from operating activities:
Net income	$ 238,905	$ 106,582
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	34,204	29,985
Amortization of intangible assets	26,598	25,948
Share-based compensation expense	64,875	69,420
Accretion of debt discount	20,376	17,997
Loss on extinguishment of debt	233	31,360
Incremental tax benefit related to share-based compensation	(106,162)	(77,333)
Deferred income taxes	80,581	31,512
Change in fair value of contingent consideration	(7,558)	(3,291)
Change in estimated cease-use loss	2,179	3,487
Cost-method investment gain, net	(12,582)
Other	1,192	2,180
Changes in operating assets and liabilities:
Accounts receivable	(75,189)	(17,189)
Inventory	(32,526)	(23,187)
Prepaid expenses and other current assets	(1,382)	(1,462)
Other assets	(3,346)	(16,547)
Accounts payable	30,718	13,884
Accrued liabilities	(24,437)	8,859
Accrued legal contingencies		10,664
Other long-term liabilities	1,545	2,248
Net cash provided by operating activities	238,224	215,117
Cash flows from investing activities:
Purchases of available-for-sale securities	(578,425)	(358,874)
Sales of available-for-sale securities	263,447	291,264
Maturities of available-for-sale securities	95,612	92,643
Net sales proceeds from (purchases of) strategic investments	926	(11,682)
Purchases of property and equipment	(77,902)	(42,336)
Cash paid for intangible assets	(275)	(625)
Net cash used in investing activities	(296,617)	(29,610)
Cash flows from financing activities:
Payments on financing obligations	(8,664)	(29,747)
Proceeds from issuance of convertible notes		1,132,378
Repurchases of convertible notes		(1,244,721)
Incremental tax benefit related to share-based compensation	106,162	77,333
Common stock repurchases	(34,753)	(202,431)
Taxes paid related to net share settlement of equity awards	(89,982)	(9,409)
Proceeds from issuance of common stock	42,513	54,152
Net cash provided by (used in) financing activities	15,276	(222,445)
Effect of exchange rate changes on cash and cash equivalents	(1,980)	522
Net decrease in cash and cash equivalents	(45,097)	(36,416)
Cash and cash equivalents at beginning of period	636,154	711,637
Cash and cash equivalents at end of period	$ 591,057	$ 675,221