Restructuring Charges (Details) (USD $)	3 Months Ended			3 Months Ended	18 Months Ended	3 Months Ended
	Mar. 01, 2013	Nov. 30, 2012		Mar. 01, 2013 Fiscal 2011 Restructuring Plan [Member] Cost of closing redundant facilities [Member]	Mar. 01, 2013 Fiscal 2011 Restructuring Plan [Member] Cost of closing redundant facilities [Member]	Mar. 01, 2013 Fiscal 2011 Restructuring Plan [Member] Termination benefits [Member]	Mar. 01, 2013 Other Restructuring Plans [Member] Cost of closing redundant facilities [Member] sqft	Mar. 01, 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	4,328,000			0		0	4,328,000	0
Cash Payments	(4,045,000)			(274,000)		(722,000)	(2,851,000)	(198,000)
Restructuring Reserve, Translation and Other Adjustment	(5,013,000)			(3,687,000)		105,000	(1,423,000)	(8,000)
Ending accrued restructuring charges	16,820,000			5,662,000	5,662,000	631,000	9,742,000	785,000
Restructuring Reserve, Foreign Currency Translation Adjustment	500,000
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					10,900,000
Restructuring and Related Cost, Cost Incurred to Date					10,900,000
Accrued restructuring, current	6,767,000	9,287,000	[1]
Accrued restructuring, non-current	$ 10,053,000	$ 12,263,000	[1]

[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.