Segment Information Revenue by Transaction Type and Product Category (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	May 31, 2014	May 31, 2013	May 31, 2014	May 31, 2013
Revenue from External Customer [Line Items]
Revenue	$ 568,008	$ 418,143	$ 1,092,466	$ 800,668
Subscription Revenue [Member]
Revenue from External Customer [Line Items]
Revenue	426,346	313,923	843,720	621,650
Non-subscription Revenue [Member]
Revenue from External Customer [Line Items]
Revenue	141,662	104,220	248,746	179,018
Resources [Member]
Revenue from External Customer [Line Items]
Revenue	243,876	221,680	461,370	412,196
Industrials [Member]
Revenue from External Customer [Line Items]
Revenue	181,346	64,359	353,069	126,848
Horizontal Products [Member]
Revenue from External Customer [Line Items]
Revenue	$ 142,786	$ 132,104	$ 278,027	$ 261,624