Consolidated Balance Sheets (Parenthetical) (USD $)	Nov. 30, 2013	Nov. 30, 2012
Statement of Financial Position [Abstract]
Preferred stock, par value, in dollars	$ 1.00	$ 1.00
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Common stock, par value, in dollars	$ 1.00	$ 1.00
Common stock, shares authorized	290,000,000	290,000,000
Common stock, shares issued	115,296,395	115,178,187
Grantor stock ownership trust	10,501,844	10,615,934
Treasury Stock, Shares	21,050,023	27,340,468