Restructuring Charges (Details) (USD $)	6 Months Ended			3 Months Ended	6 Months Ended	21 Months Ended	6 Months Ended	21 Months Ended	6 Months Ended				21 Months Ended	6 Months Ended	33 Months Ended	6 Months Ended	33 Months Ended	12 Months Ended	24 Months Ended	6 Months Ended	24 Months Ended	6 Months Ended
	Jun. 03, 2011	Dec. 03, 2010		Jun. 03, 2011 Restructuring Plan 2009 [Member] Cost of Closing Redundant Facilities [Member] sqft	Jun. 03, 2011 Restructuring Plan 2009 [Member] Cost of Closing Redundant Facilities [Member]	Jun. 03, 2011 Restructuring Plan 2009 [Member] Cost of Closing Redundant Facilities [Member]	Jun. 03, 2011 Restructuring Plan 2009 [Member] Termination Benefits [Member]	Jun. 03, 2011 Restructuring Plan 2009 [Member] Termination Benefits [Member]	Jun. 03, 2011 Omniture [Member]	Jun. 03, 2011 Omniture [Member] Contract Termination [Member]	Jun. 03, 2011 Omniture [Member] Cost of Closing Redundant Facilities [Member]	Jun. 03, 2011 Omniture [Member] Termination Benefits [Member]	Jun. 03, 2011 Omniture [Member] Termination Benefits Cost of Closing Redundant Facilities and Contract Terminations [Member]	Jun. 03, 2011 Restructuring Plan 2008 [Member] Cost of Closing Redundant Facilities [Member]	Jun. 03, 2011 Restructuring Plan 2008 [Member] Cost of Closing Redundant Facilities [Member]	Jun. 03, 2011 Restructuring Plan 2008 [Member] Termination Benefits [Member]	Jun. 03, 2011 Restructuring Plan 2008 [Member] Termination Benefits [Member]	Nov. 30, 2007 Macromedia [Member]	Nov. 30, 2007 Macromedia [Member] Contract Termination [Member]	Jun. 03, 2011 Macromedia [Member] Cost of Closing Redundant Facilities [Member]	Nov. 30, 2007 Macromedia [Member] Termination Benefits [Member]	Jun. 03, 2011 Macromedia [Member] Other [Member]
Summary of Restructuring Plans [Roll Forward]
Beginning Accrued Restructuring Charges	$ 16,373,000				$ 7,302,000		$ 1,573,000			$ 179,000	$ 2,720,000	$ 486,000		$ 2,149,000		$ 300,000				$ 1,658,000		$ 6,000
Costs incurred	543,000			500,000	543,000		0			0	0	0		0		0				0		0
Cash Payments	(3,661,000)				(1,241,000)		(357,000)			0	(715,000)	(4,000)		(300,000)		(164,000)				(874,000)		(6,000)
Other adjustments	(792,000)				(962,000)		3,000			0	373,000	44,000		(114,000)		(136,000)				0		0
Ending Accrued Restructuring Charges	12,463,000			5,642,000	5,642,000	5,642,000	1,219,000	1,219,000		179,000	2,378,000	526,000		1,735,000	1,735,000	0	0			784,000		0
Restructuring Charges (Numeric) [Abstract]
Acquisition date									October 23, 2009									December 3, 2005
Square footage of facility vacated under restructuring plan				16,000
Total restructuring costs incurred to date						8,300,000		40,100,000					12,200,000		8,300,000		35,200,000		3,200,000		27,000,000
Total restructuring costs expected to be incurred for closing redundant facilities					11,000,000									8,600,000
Accrued restructuring, current	5,260,000	8,119,000	[1]
Accrued restructuring, non-current	$ 7,203,000	$ 8,254,000	[1]

[1] The Condensed Consolidated Balance Sheet at December 3, 2010 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.