Short-Term Borrowings (Detail) - USD ($)				12 Months Ended
	Oct. 29, 2015	Oct. 22, 2015	Apr. 23, 2015	Nov. 30, 2015	Nov. 30, 2014	Aug. 26, 2011
Short-term Debt [Line Items]
Short-term borrowings				$ 310,659,000	$ 12,000,000
Interest rate on short-term borrowings outstanding				0.85%
Average daily short-term borrowings				$ 65,300,000	81,700,000
Revolving credit facility						$ 950,000,000.0
Bank loans [Member]
Short-term Debt [Line Items]
Short-term borrowings				262,000,000	12,000,000
Secured [Member]
Short-term Debt [Line Items]
Short-term borrowings				48,659,000	0
Line of Credit [Member]
Short-term Debt [Line Items]
Short-term borrowings				$ 0	$ 0
Line of Credit [Member] | Amended Intraday Credit Facility [Member]
Short-term Debt [Line Items]
Revolving credit facility		$ 300,000,000.0
Extension term		364 days
Line of Credit [Member] | Loan Facility [Member]
Short-term Debt [Line Items]
Revolving credit facility	$ 50,000,000
Line of Credit [Member] | Loan Facility [Member] | LIBOR [Member]
Short-term Debt [Line Items]
Basis spread on variable rate	3.75%
Line of Credit [Member] | Intraday Credit Facility [Member]
Short-term Debt [Line Items]
Revolving credit facility			$ 500,000,000.0
Debt term			6 months
Extension term			6 months
Line of Credit [Member] | Intraday Credit Facility [Member] | Prime Rate [Member]
Short-term Debt [Line Items]
Basis spread on variable rate			0.50%