Stock-Based Compensation (Details 5) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 02, 2012	Mar. 04, 2011
Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	$ 22,337	$ 21,541
Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	49,244	49,451
Cost of Subscription Revenue [Member] | Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	742	192
Cost of Subscription Revenue [Member] | Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	603	321
Cost of Service and Support Revenue [Member] | Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	1,116	1,095
Cost of Service and Support Revenue [Member] | Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	2,070	2,075
Research and Development [Member] | Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	7,199	6,755
Research and Development [Member] | Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	18,081	20,578
Sales and Marketing [Member] | Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	8,780	7,550
Sales and Marketing [Member] | Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	16,916	16,416
General and Administrative [Member] | Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	4,500	5,949
General and Administrative [Member] | Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	$ 11,574	$ 10,061