Intangible Assets Schedule of Future Amortization (Details) (USD $)	3 Months Ended		9 Months Ended
	Aug. 31, 2014	Aug. 31, 2013	Aug. 31, 2014	Aug. 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 33,200,000	$ 29,500,000	$ 100,100,000	$ 74,100,000
Remainder of 2014	33,905,000		33,905,000
2015	132,288,000		132,288,000
2016	123,140,000		123,140,000
2017	108,608,000		108,608,000
2018	96,408,000		96,408,000
Thereafter	$ 542,420,000		$ 542,420,000