Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 02, 2012		Mar. 04, 2011
Cash flows from operating activities:
Net income	$ 185,209		$ 234,591
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion	69,861		66,286
Stock-based compensation	71,582		70,992
Deferred income taxes	63,377		28,645
Unrealized gains on investments	(3,168)		(1,330)
Other non-cash items	(6,650)		2,703
Excess tax benefits from stock-based compensation	(2,670)		0
Changes in operating assets and liabilities, net of acquired assets and assumed liabilities:
Trade receivables, net	152,721		20,605
Prepaid expenses and other current assets	(15,080)		(2,716)
Trade payables	(42,542)		2,310
Accrued expenses	(116,908)		(110,084)
Accrued restructuring	(39,057)		(2,526)
Income taxes payable	(19,051)		8,905
Deferred revenue	16,739		13,721
Net cash provided by operating activities	314,363		332,102
Cash flows from investing activities:
Purchases of short-term investments	(352,179)		(375,077)
Maturities of short-term investments	112,089		134,296
Proceeds from sales of short-term investments	207,672		217,407
Acquisitions, net of cash acquired	(353,184)		(36,572)
Purchases of property and equipment	(51,088)		(32,421)
Purchases of long-term investments and other assets	(5,203)		(5,389)
Proceeds from sale of long-term investments	4,186		2,755
Other	0		(124)
Net cash used for investing activities	(437,707)		(95,125)
Cash flows from financing activities:
Purchases of treasury stock	(80,000)		(125,000)
Proceeds from issuance of treasury stock	13,366		40,651
Excess tax benefits from stock-based compensation	2,670		0
Repayment of debt and capital lease obligations	(2,264)		(2,169)
Debt issuance costs	(2,297)		0
Net cash used for financing activities	(68,525)		(86,518)
Effect of foreign currency exchange rates on cash and cash equivalents	3,632		(194)
Net (decrease) increase in cash and cash equivalents	(188,237)		150,265
Cash and cash equivalents at beginning of period	989,500	[1]	749,891
Cash and cash equivalents at end of period	801,263		900,156
Supplemental disclosures:
Cash paid for income taxes, net of refunds	51,397		16,413
Cash paid for interest	33,883		31,623
Non-cash investing activities:
Issuance of common stock and stock awards assumed in business acquisitions	$ 4,265		$ 549

[1] The Condensed Consolidated Balance Sheet as of December 2, 2011 has been derived from the audited consolidated financial statements at that date but does not include all of the information and footnotes required by generally accepted accounting principles for complete financial statements.