Investments In Affiliates (Summarized Annual And Year-End Information Of Unconsolidated Affiliates) (Details) - Unconsolidated Affiliates [Member] - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Investments in and Advances to Affiliates [Line Items]
Net sales	$ 863.0	$ 807.9	$ 775.4
Gross profit	316.2	290.5	278.5
Net income	90.5	78.9	75.5
Current assets	426.3	342.1	315.4
Noncurrent assets	134.0	129.9	127.6
Current liabilities	223.8	172.1	146.9
Noncurrent liabilities	$ 9.2	$ 10.0	$ 13.6