Fair Value Measurements, Derivative Instruments and Hedging Activities - Estimated Fair Values of Derivative Financial Instruments and Location on Consolidated Balance Sheets (Parenthetical) (Detail)	12 Months Ended			3 Months Ended		12 Months Ended
	Nov. 30, 2013 Cash Flow Hedging	Nov. 30, 2013 Us Dollar [Member] Interest rate swaps Fair Value Hedging [Member]	Nov. 30, 2013 Maximum Interest rate swaps Cash Flow Hedging	Feb. 28, 2014 Fuel Derivatives Twenty Eighteen Maturity Jan Twenty Fourteen Transaction [Domain]		Nov. 30, 2013 Maturing In July Twenty Seventeen [Member] Maximum Net Investment Hedging [Member]
Derivatives, Fair Value [Line Items]
Derivative Inception Month And Year				2014-01	[1]
Maturity Of Foreign Currency Derivatives Month And Year						2017-07
Derivative Maturity Month And Year	2015-02	2016-02	2025-03

[1] Fuel derivatives mature evenly over each month within the above fiscal periods.