Income Taxes - Earliest Tax Year Subject to Examination in the Major Tax Jurisdictions in which the Company Operates (Detail)	12 Months Ended
	Nov. 30, 2016
United States [Member]
Income Tax Examination [Line Items]
Tax Year	2007
California [Member]
Income Tax Examination [Line Items]
Tax Year	2007
New Jersey [Member]
Income Tax Examination [Line Items]
Tax Year	2010
New York State [Member]
Income Tax Examination [Line Items]
Tax Year	2001
New York City [Member]
Income Tax Examination [Line Items]
Tax Year	2003
United Kingdom [Member]
Income Tax Examination [Line Items]
Tax Year	2014
Hong Kong [Member]
Income Tax Examination [Line Items]
Tax Year	2009