Exit Costs - Restructuring Reserve (Details) $ in Thousands	12 Months Ended
	Nov. 30, 2016 USD ($)
Restructuring Reserve [Roll Forward]
Expenses	$ 1,854
Severance costs
Restructuring Reserve [Roll Forward]
Beginning balance	4,805
Expenses	279
Payments	(5,084)
Ending balance	0
Other expenses
Restructuring Reserve [Roll Forward]
Beginning balance	0
Expenses	300
Payments	(300)
Ending balance	0
Contract termination costs
Restructuring Reserve [Roll Forward]
Beginning balance	0
Expenses	1,234
Payments	(1,234)
Ending balance	0
Total restructuring costs
Restructuring Reserve [Roll Forward]
Beginning balance	4,805
Expenses	1,813
Payments	(6,618)
Ending balance	0
Accelerated amortization of restricted stock and restricted cash awards
Restructuring Reserve [Roll Forward]
Expenses	41
Accelerated amortization of capitalized software
Restructuring Reserve [Roll Forward]
Expenses	0
Impairments
Restructuring Reserve [Roll Forward]
Expenses	$ 0