Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2011
Property and equipment
Gross property and equipment	$ 14,525	$ 10,740
Less accumulated depreciation	(7,132)	(4,057)
Net property and equipment	7,393	6,683
Depreciation and amortization expense	2,541	1,456	1,168
Computer and equipment
Property and equipment
Gross property and equipment	3,040	1,889
Computer and equipment | Minimum
Property and equipment
Useful lives	3 years
Computer and equipment | Maximum
Property and equipment
Useful lives	7 years
Furniture and fixtures
Property and equipment
Gross property and equipment	5,183	3,887
Furniture and fixtures | Minimum
Property and equipment
Useful lives	3 years
Furniture and fixtures | Maximum
Property and equipment
Useful lives	7 years
Leasehold improvements, primarily retail
Property and equipment
Gross property and equipment	$ 6,302	$ 4,964
Leasehold improvements, primarily retail | Minimum
Property and equipment
Useful lives	5 years
Leasehold improvements, primarily retail | Maximum
Property and equipment
Useful lives	10 years