Supplemental Financial Statement Data (Narrative) (Details) - $ / shares	12 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2021
Supplemental Financial Statement Data [Abstract]
Dividends paid per share (usd per share)	$ 1.56	$ 1.48	$ 1.36
Common Stock, Dividends, Per Share, Declared	$ 1.59	$ 1.50	$ 1.39