Segment Reporting - Net Revenues by Geographic Region (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Aug. 31, 2015	Aug. 31, 2014	Aug. 31, 2015	Aug. 31, 2014
Revenues:
Net revenues	$ 578,928	$ 843,309	$ 1,962,154	$ 2,465,329
Americas [Member]
Revenues:
Net revenues	454,996	661,738	1,508,639	1,893,723
Europe [Member]
Revenues:
Net revenues	103,959	153,455	392,163	500,229
Asia [Member]
Revenues:
Net revenues	$ 19,973	$ 28,116	$ 61,352	$ 71,377