Intangible Assets (Tables)

6 Months Ended

May 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill [Table Text Block]

The following table presents details of our intangible assets, other than goodwill, as of May 31, 2016 and November 30, 2015 (in thousands):

	As of May 31, 2016							As of November 30, 2015
	Gross		Accumulated Amortization			Net		Gross		Accumulated Amortization			Net
Intangible assets subject to amortization:
Information databases	$	644,957	$	(253,299	)	$	391,658	$	595,219	$	(233,729	)	$	361,490
Customer relationships	847,600		(160,367		)	687,233		540,467		(135,352		)	405,115
Developed computer software	85,228		(40,593		)	44,635		84,918		(35,988		)	48,930
Trademarks	173,954		(43,998		)	129,956		166,301		(34,777		)	131,524
Other	15,282		(6,054		)	9,228		14,837		(5,802		)	9,035
Total	$	1,767,021	$	(504,311	)	$	1,262,710	$	1,401,742	$	(445,648	)	$	956,094
Intangible assets not subject to amortization:
Trademarks	57,711		—			57,711		58,597		—			58,597
Total intangible assets	$	1,824,732	$	(504,311	)	$	1,320,421	$	1,460,339	$	(445,648	)	$	1,014,691

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]

The following table presents the estimated future amortization expense related to intangible assets held as of May 31, 2016 (in thousands):

Year	Amount
Remainder of 2016	$	74,318
2017	$	143,171
2018	$	130,975
2019	$	117,637
2020	$	108,398
Thereafter	$	688,211