Stock-Based Compensation (Details 5) (USD $)	12 Months Ended
	Nov. 29, 2013		Nov. 30, 2012		Dec. 02, 2011
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits	$ 70,700,000		$ 61,500,000		$ 58,300,000
Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	53,353,000	[1]	78,627,000	[1]	86,143,000	[1]
Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	275,634,000	[1]	219,875,000	[1]	199,960,000	[1]
Cost of Revenue - Subscription [Member] | Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	2,059,000		2,840,000		936,000
Cost of Revenue - Subscription [Member] | Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	5,052,000		3,100,000		1,521,000
Cost of Revenue - Services and Support [Member] | Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	3,413,000		4,130,000		4,716,000
Cost of Revenue - Services and Support [Member] | Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	6,961,000		9,461,000		8,607,000
Research and Development [Member] | Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	18,188,000		24,823,000		28,132,000
Research and Development [Member] | Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	102,464,000		83,349,000		79,427,000
Sales and Marketing [Member] | Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	21,283,000		31,379,000		31,754,000
Sales and Marketing [Member] | Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	101,423,000		76,359,000		68,485,000
General and Administrative [Member] | Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	8,410,000		15,455,000		20,605,000
General and Administrative [Member] | Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	$ 59,734,000		$ 47,606,000		$ 41,920,000

[1] During fiscal 2013, 2012 and 2011, we recorded tax benefits of $70.7 million, $61.5 million and $58.3 million, respectively.