Restructuring (Details) (USD $)	12 Months Ended		12 Months Ended	15 Months Ended	12 Months Ended	15 Months Ended		12 Months Ended		3 Months Ended	12 Months Ended
	Nov. 30, 2012	Dec. 02, 2011	Nov. 30, 2012 Fiscal 2011 Restructuring Plan [Member] Facility Closing [Member] sqft	Nov. 30, 2012 Fiscal 2011 Restructuring Plan [Member] Facility Closing [Member]	Nov. 30, 2012 Fiscal 2011 Restructuring Plan [Member] Employee Severance [Member]	Nov. 30, 2012 Fiscal 2011 Restructuring Plan [Member] Employee Severance [Member]	Nov. 30, 2012 Fiscal 2009 Restructuring Plan 2009 [Member] Facility Closing [Member]	Nov. 30, 2012 Other Restructuring Plans [Member] Facility Closing [Member]	Nov. 30, 2012 Other Restructuring Plans [Member] Employee Severance [Member]	Nov. 30, 2012 Omniture [Member]	Nov. 30, 2012 Minimum [Member] Fiscal 2011 Restructuring Plan [Member] Facility Closing [Member]	Nov. 30, 2012 Maximum [Member] Fiscal 2011 Restructuring Plan [Member] Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Beginning Accrued Restructuring Charges	$ 88,379,000		$ 2,995,000		$ 72,817,000		$ 8,000,000	$ 11,019,000	$ 1,548,000
Cost Incurred	17,443,000		11,097,000		0			5,536,000	810,000
Cash Payments	63,130,000		4,662,000		49,551,000			7,940,000	977,000
Other Adjustments	(21,142,000)		193,000		(22,018,000)			1,073,000	(390,000)
Ending Accrued Restructuring Charges	21,550,000		9,623,000	9,623,000	1,248,000	1,248,000	8,000,000	9,688,000	991,000
Translation Adjustments	400,000
Restructuring Reserve, Goodwill Adjustment	400,000
Restructuring Charges (Numeric) [Abstract]
Acquisition Date										Oct. 23, 2009
Square Footage of Facility Vacated Under Restructuring Plan			64,000
Restructuring Reserve, Period Accruals and Adjustments			11,300,000
Credit Adjusted Risk Free Interest Rate											1.00%	4.00%
Fair value of future estimated sublease income			3,300,000
Termination Costs Adjustments to Date						21,800,000
Total Restructuring Costs Incurred to Date				14,600,000		56,800,000
Total Restructuring Costs Expected to be Incurred for Closing Redundant Facilities			14,600,000
Accrued restructuring	12,263,000	7,449,000
Accrued Restructuring, Current	$ 9,287,000	$ 80,930,000