Stock-Based Compensation (Details 5) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 28, 2015	Aug. 29, 2014	Aug. 28, 2015	Aug. 29, 2014
Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	$ 10,599	$ 11,847	$ 33,549	$ 35,113
Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	75,378	71,166	223,462	213,698
Cost of Subscription Revenue [Member] | Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	258	458	1,070	1,424
Cost of Subscription Revenue [Member] | Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	1,637	1,451	4,946	4,261
Cost of Service and Support Revenue [Member] | Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	1,277	1,064	3,897	2,759
Cost of Service and Support Revenue [Member] | Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	1,425	1,666	4,711	4,886
Research and Development Expense [Member] | Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	3,468	4,151	11,162	12,397
Research and Development Expense [Member] | Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	26,378	26,100	78,375	78,567
Sales and Marketing [Member] | Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	4,540	4,492	13,768	13,571
Sales and Marketing [Member] | Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	29,146	25,447	84,686	76,541
General and Administrative [Member] | Option Grants and Stock Purchase Rights [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	1,056	1,682	3,652	4,962
General and Administrative [Member] | Restricted Stock and Performance Share Awards [Member]
Total stock-based compensation costs [Abstract]
Stock-based compensation costs	$ 16,792	$ 16,502	$ 50,744	$ 49,443