Commitments and Contingencies (Summary Of Contractual Commitments) (Details) (USD $) In Thousands, unless otherwise specified	Nov. 30, 2013
Commitments:
Debt principal, Total	$ 600,000
Debt principal, 2014	0
Debt principal, 2015	0
Debt principal, 2016	0
Debt principal, 2017	600,000
Debt principal, 2018	0
Debt principal, Thereafter	0
Debt interest, Total	47,250
Debt interest, 2014	13,500
Debt interest, 2015	13,500
Debt interest, 2016	13,500
Debt interest, 2017	6,750
Debt interest, 2018	0
Debt interest, Thereafter	0
Operating leases, Total	40,290	[1]
Operating leases, 2014	10,568	[1]
Operating leases, 2015	7,512	[1]
Operating leases, 2016	7,272	[1]
Operating leases, 2017	5,851	[1]
Operating leases, 2018	4,749	[1]
Operating leases, Thereafter	4,338	[1]
Total commitments	687,540
Total commitments, 2014	24,068
Total commitments, 2015	21,012
Total commitments, 2016	20,772
Total commitments, 2017	612,601
Total commitments, 2018	4,749
Total commitments, Thereafter	$ 4,338

[1] Operating leases include future minimum rent payments, net of estimated sublease income of $5.6 million, for facilities that we have vacated pursuant to our restructuring activities, as discussed in Note 9.