Intangible Assets Schedule of Future Amortization (Details) (USD $)	3 Months Ended		6 Months Ended
	May 31, 2014	May 31, 2013	May 31, 2014	May 31, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 33,100,000	$ 22,000,000	$ 66,900,000	$ 44,600,000
Remainder of 2014	65,863,000		65,863,000
2015	127,849,000		127,849,000
2016	118,678,000		118,678,000
2017	104,239,000		104,239,000
2018	92,224,000		92,224,000
Thereafter	$ 504,161,000		$ 504,161,000