Investments In Affiliates (Summarized Annual And Year-End Information Of Unconsolidated Affiliates) (Details) (Unconsolidated Affiliates [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2010
Unconsolidated Affiliates [Member]
Investments in and Advances to Affiliates [Line Items]
Net sales	$ 727.1	$ 708.5	$ 538.3
Gross profit	229.2	238.7	205.2
Net income	47.1	57.2	51.6
Current assets	274.4	272.0	245.2
Noncurrent assets	104.2	86.5	81.5
Current liabilities	129.9	113.2	105.9
Noncurrent liabilities	$ 20.5	$ 32.1	$ 26.5