Stock-based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2016	May 31, 2015	May 31, 2016	May 31, 2015
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 32,094	$ 32,726	$ 62,190	$ 64,599
Income tax benefits	10,232	10,498	19,810	20,722
Capitalized stock-based compensation cost	0	0	0	0
Cost of revenue [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	1,426	1,444	2,715	2,858
Selling general and administrative [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 30,668	$ 31,282	$ 59,475	$ 61,741