Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Aug. 30, 2013		Aug. 31, 2012
Cash flows from operating activities:
Net income	$ 224,665		$ 610,442
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion	239,877		221,145
Stock-based compensation	244,090		222,649
Write-down of assets held for sale	23,838		0
Deferred income taxes	41,002		82,213
Unrealized gains on investments	6,719		(8,254)
Other non-cash items	(14,214)		(22,984)
Excess tax benefits from stock-based compensation	0		(6,526)
Changes in operating assets and liabilities, net of acquired assets and assumed liabilities:
Trade receivables, net	112,015		95,735
Prepaid expenses and other current assets	(13,669)		(17,630)
Trade payables	16,106		(54,187)
Accrued expenses	(65,992)		(51,460)
Accrued restructuring	(8,454)		(60,000)
Income taxes payable	(75,908)		(13,330)
Deferred revenue	106,629		28,108
Net cash provided by operating activities	836,704		1,025,921
Cash flows from investing activities:
Purchases of short-term investments	(1,635,999)		(1,347,568)
Maturities of short-term investments	292,374		376,025
Proceeds from sales of short-term investments	1,084,873		795,072
Acquisitions, net of cash acquired	(704,375)		(353,195)
Purchases of property and equipment	(153,237)		(189,287)
Purchases of long-term investments and other assets	(64,820)		(15,051)
Proceeds from sale of long-term investments	3,396		28,817
Net cash used for investing activities	(1,177,788)		(705,187)
Cash flows from financing activities:
Purchases of treasury stock	(700,000)		(305,000)
Proceeds from issuance of treasury stock	435,884		150,185
Excess tax benefits from stock-based compensation	0		6,526
Proceeds from (Repayments of) Long-term Debt and Capital Securities	25,703		3,152
Repayment of debt and capital lease obligations	(19,838)		(6,870)
Debt issuance costs	(357)		(2,297)
Net cash used for financing activities	(258,608)		(154,304)
Effect of foreign currency exchange rates on cash and cash equivalents	(6,275)		6,450
Net (decrease) increase in cash and cash equivalents	(605,967)		172,880
Cash and cash equivalents at beginning of period	1,425,052	[1]	989,500
Cash and cash equivalents at end of period	819,085		1,162,380
Supplemental disclosures:
Cash paid for income taxes, net of refunds	110,697		163,722
Cash paid for interest	64,334		65,778
Non-cash investing activities:
Issuance of common stock and stock awards assumed in business acquisitions	$ 1,160		$ 4,265

[1] The Condensed Consolidated Balance Sheet as of November 30, 2012 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.