Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Aug. 29, 2014		Aug. 30, 2013
Cash flows from operating activities:
Net income	$ 180,259		$ 224,665
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and accretion	235,443		239,877
Stock-based compensation	248,811		244,090
Deferred income taxes	(7,912)		41,002
Write down of assets held for sale	0		23,838
Unrealized gains on investments	47		6,719
Tax Benefit Realized from Exercise of Stock Options	31,883		(17,186)
Other non-cash items	829		2,972
Excess Tax Benefit from Share-based Compensation, Operating Activities	(31,953)		0
Changes in operating assets and liabilities, net of acquired assets and assumed liabilities:
Trade receivables, net	71,973		112,015
Prepaid expenses and other current assets	13,352		(13,669)
Trade payables	(8,305)		16,106
Accrued expenses	(13,749)		(65,992)
Accrued restructuring	(5,627)		(8,454)
Income taxes payable	4,952		(75,908)
Deferred revenue	167,726		106,629
Net cash provided by operating activities	887,729		836,704
Cash flows from investing activities:
Purchases of short-term investments	(1,412,539)		(1,635,999)
Maturities of short-term investments	913,308		292,374
Proceeds from sales of short-term investments	209,172		1,084,873
Acquisitions, net of cash acquired	0		(704,375)
Purchases of property and equipment	(111,557)		(153,237)
Purchases of long-term investments and other assets	(12,496)		(64,820)
Proceeds from sale of long-term investments	1,364		3,396
Net cash used for investing activities	(412,748)		(1,177,788)
Cash flows from financing activities:
Purchases of treasury stock	(475,000)		(700,000)
Proceeds from issuance of treasury stock	213,841		526,240
Cost of issuance of treasury stock	(163,293)		(90,356)
Excess Tax Benefit from Share-based Compensation, Financing Activities	31,953		0
Proceeds from debt and capital lease obligations	0		25,703
Repayment of debt and capital lease obligations	(11,431)		(19,838)
Debt issuance costs	0		(357)
Net cash (used for) provided by financing activities	(403,930)		(258,608)
Effect of foreign currency exchange rates on cash and cash equivalents	(2,278)		(6,275)
Net (decrease) increase in cash and cash equivalents	68,773		(605,967)
Cash and cash equivalents at beginning of period	834,556	[1]	1,425,052
Cash and cash equivalents at end of period	903,329		819,085
Supplemental disclosures:
Cash paid for income taxes, net of refunds	7,114		110,697
Cash paid for interest	61,562		64,334
Non-cash investing activities:
Investment in lease receivable applied to building purchase	126,800		0
Issuance of common stock and stock awards assumed in business acquisitions	$ 0		$ 1,160

[1] The Condensed Consolidated Balance Sheet as of November 29, 2013 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.