Basis of Presentation and Significant Accounting Policies (Details 1)	12 Months Ended
	Dec. 01, 2017
Computers and equipment [Member] | Minimum [Member]
Property and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	1 year
Computers and equipment [Member] | Maximum [Member]
Property and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	5 years
Furniture and Fixtures [Member] | Minimum [Member]
Property and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	1 year
Furniture and Fixtures [Member] | Maximum [Member]
Property and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	6 years
Buildings [Member] | Maximum [Member]
Property and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	40 years
Leasehold Improvements [Member] | Minimum [Member]
Property and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	1 year
Leasehold Improvements [Member] | Maximum [Member]
Property and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	15 years
Building Improvements [Member] | Minimum [Member]
Property and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	5 years
Building Improvements [Member] | Maximum [Member]
Property and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	20 years