Segment Reporting - Net Revenues by Geographic Region (Detail) - USD ($) $ in Thousands	3 Months Ended
Feb. 28, 2017	Feb. 29, 2016
Revenues:
Net revenues	$ 795,513	$ 298,987
Americas [Member]
Revenues:
Net revenues	609,849	187,709
Europe [Member]
Revenues:
Net revenues	156,274	96,433
Asia [Member]
Revenues:
Net revenues	$ 29,390	$ 14,845

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income after deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration