Investments In Affiliates (Summarized Annual And Year-End Information Of Unconsolidated Affiliates) (Details) - Unconsolidated Affiliates [Member] - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2017	Nov. 30, 2016	Nov. 30, 2015
Investments in and Advances to Affiliates [Line Items]
Net sales	$ 775.4	$ 767.6	$ 777.3
Gross profit	278.5	245.6	286.1
Net income	75.5	66.4	76.6
Current assets	315.4	315.6	326.0
Noncurrent assets	127.6	113.0	114.6
Current liabilities	146.9	146.2	161.5
Noncurrent liabilities	$ 13.6	$ 9.1	$ 8.1