Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jul. 01, 2012	Jul. 03, 2011
Operating activities:
Net income	$ 133,910	$ 303,938
Adjustments:
Depreciation and amortization	90,647	102,310
Stock-based compensation expense	56,152	27,112
Non-cash restructuring of operations and other items, net	5,041	20,964
Gain on re-measurement of a pre-acquisition equity interest to fair value	(5,765)
Gain on sale of business		(260,066)
Gain on sale of property and equipment	(70)	(508)
Unrealized foreign exchange (gain)/loss	(2,735)	2,581
Deferred taxes	(43,174)	(19,766)
Changes in assets and liabilities, net of assets acquired and liabilities assumed in business combination:
Accounts receivable	(39,417)	92,477
Inventories	227	(43,140)
Prepaid expenses, assets held for sale and other assets	(1,830)	(10,991)
Accounts payable	29,521	9,290
Accrued and other liabilities	(55,010)	(77,878)
Net cash provided by operating activities	167,497	146,323
Investing activities:
Purchases of debt securities available-for-sale	(72,369)	(24,131)
Proceeds from maturities and sales of debt securities available-for-sale	17,756	23,445
Purchases of other investments		(4,000)
Purchases of property and equipment	(77,618)	(37,198)
Proceeds from sale of property and equipment	252	896
Acquisition of business, net of cash acquired	(319,231)
Proceeds from sale of business, net of transaction costs		475,150
Net cash (used in)/provided by investing activities	(451,210)	434,162
Financing activities:
Issuances of common stock	82,128	50,931
Purchases of common stock under repurchase program	(176,185)	(396,792)
Net cash used in financing activities	(94,057)	(345,861)
Effect of exchange rate changes on cash and cash equivalents	103	(968)
Net change in cash and cash equivalents	(377,667)	233,656
Cash and cash equivalents at beginning of period	779,811	521,786
Cash and cash equivalents at end of period	$ 402,144	$ 755,442