Restructuring Charges (Details) (USD $)	9 Months Ended				9 Months Ended	24 Months Ended	9 Months Ended
	Aug. 30, 2013	Nov. 30, 2012		Aug. 30, 2013 Cost of closing redundant facilities [Member]	Aug. 30, 2013 Fiscal 2011 Restructuring Plan [Member] Cost of closing redundant facilities [Member]	Aug. 30, 2013 Fiscal 2011 Restructuring Plan [Member] Cost of closing redundant facilities [Member]	Aug. 30, 2013 Fiscal 2011 Restructuring Plan [Member] Termination benefits [Member]	Aug. 30, 2013 Other Restructuring Plans [Member] Cost of closing redundant facilities [Member] sqft	Aug. 30, 2013 Other Restructuring Plans [Member] Termination benefits [Member]
Summary of Restructuring Plans [Roll Forward]
Beginning accrued restructuring charges	$ 21,550,000				$ 9,623,000		$ 1,248,000	$ 9,688,000	$ 991,000
Costs incurred	5,143,000				0		0	5,143,000	0
Cash Payments	(8,814,000)				(1,161,000)		(760,000)	(6,409,000)	(484,000)
Restructuring Reserve, Translation and Other Adjustment	(5,796,000)				(4,867,000)		(58,000)	(843,000)	(28,000)
Ending accrued restructuring charges	12,083,000				3,595,000	3,595,000	430,000	7,579,000	479,000
Restructuring Reserve, Foreign Currency Translation Adjustment	800,000
Restructuring Reserve, Goodwill Adjustment	200,000
Restructuring Charges (Numeric) [Abstract]
Square footage of facility vacated under restructuring plan								21,000
Total restructuring costs expected to be incurred for closing redundant facilities						9,700,000
Restructuring and Related Cost, Cost Incurred to Date						9,700,000
Accrued restructuring, current	4,841,000	9,287,000	[1]
Accrued restructuring, non-current	$ 7,242,000	$ 12,263,000	[1]
Percentage of Restructuring Charges Scheduled to be Paid				58.00%

[1] The Condensed Consolidated Balance Sheet as of November 30, 2012 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.