XML 21 R104.htm IDEA: XBRL DOCUMENT v2.4.1.9
Segment Reporting - Net Revenues by Geographic Region (Detail) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Feb. 28, 2015
Feb. 28, 2014
Revenues:    
Net revenues $ 591,672us-gaap_RevenuesNetOfInterestExpense $ 899,028us-gaap_RevenuesNetOfInterestExpense
Americas [Member]    
Revenues:    
Net revenues 436,786us-gaap_RevenuesNetOfInterestExpense
/ us-gaap_StatementGeographicalAxis
= us-gaap_AmericasMember		 693,055us-gaap_RevenuesNetOfInterestExpense
/ us-gaap_StatementGeographicalAxis
= us-gaap_AmericasMember
Europe [Member]    
Revenues:    
Net revenues 139,206us-gaap_RevenuesNetOfInterestExpense
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember		 186,791us-gaap_RevenuesNetOfInterestExpense
/ us-gaap_StatementGeographicalAxis
= us-gaap_EuropeMember
Asia [Member]    
Revenues:    
Net revenues $ 15,680us-gaap_RevenuesNetOfInterestExpense
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember		 $ 19,182us-gaap_RevenuesNetOfInterestExpense
/ us-gaap_StatementGeographicalAxis
= us-gaap_AsiaMember