Consolidated Balance Sheets (Parenthetical) - $ / shares	Nov. 30, 2021	Nov. 30, 2020
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00
Common stock, shares authorized (in shares)	290,000,000	290,000,000
Common stock, shares issued (in shares)	100,711,153	99,868,625
Grantor stock ownership trust (in shares)	6,705,247	7,124,317
Treasury stock (in shares)	5,785,058	1,106,537