Consolidated Statements of Financial Position (Parenthetical) - $ / shares	Aug. 31, 2019	Nov. 30, 2018
Statement of Financial Position [Abstract]
Preferred stock, par value	$ 1	$ 1
Preferred stock, shares authorized	15,000,000	15,000,000
Preferred stock, outstanding	0	0
Common stock, par value	$ 0.1	$ 0.10
Common stock, shares authorized	135,000,000	135,000,000
Common stock, shares issued	48,300,000	48,300,000
Treasury stock, shares	3,400,000	3,400,000
Common Stock, Shares, Outstanding	44,900,000	44,900,000