Basis of Presentation and Significant Accounting Policies (Details 1)	12 Months Ended
	Nov. 29, 2013
Computers and equipment [Member] | Minimum [Member]
Property and Equipment [Line Items]
Property and Equipment, Useful Life	1 year
Computers and equipment [Member] | Maximum [Member]
Property and Equipment [Line Items]
Property and Equipment, Useful Life	5 years
Furniture and fixtures [Member] | Minimum [Member]
Property and Equipment [Line Items]
Property and Equipment, Useful Life	1 year
Furniture and fixtures [Member] | Maximum [Member]
Property and Equipment [Line Items]
Property and Equipment, Useful Life	6 years
Buildings [Member] | Maximum [Member]
Property and Equipment [Line Items]
Property and Equipment, Useful Life	35 years
Leasehold improvements [Member] | Minimum [Member]
Property and Equipment [Line Items]
Property and Equipment, Useful Life	1 year
Leasehold improvements [Member] | Maximum [Member]
Property and Equipment [Line Items]
Property and Equipment, Useful Life	15 years