Supplemental Financial Statement Data (Supplemental Income Statement, Balance Sheet And Cash Flow Information) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Nov. 30, 2012	Nov. 30, 2011	Nov. 30, 2010
Supplemental Financial Statement Data [Abstract]
Finished products	$ 289.0	$ 268.8
Raw materials and work-in-process	326.0	344.9
Inventories, total	615.0	613.7
Prepaid expenses	34.6	17.8
Other current assets	90.9	110.5
Total prepaid and other current asset	125.5	128.3
Land and improvements	43.0	39.2
Buildings	324.9	306.9
Machinery and equipment	638.1	620.6
Software	275.4	257.0
Construction-in-progress	51.7	45.5
Accumulated depreciation	(785.8)	(746.1)
Property, plant and equipment, total	547.3	523.1
Investments in affiliates	141.7	130.5
Long-term investments	86.1	71.4
Prepaid allowances	28.4	36.0
Other assets	57.7	59.7
Investments and other assets, total	313.9	297.6
Payroll and employee benefits	127.6	135.5
Sales allowances	118.0	128.1
Other	173.6	140.7
Other accrued liabilities, total	419.2	404.3
Pension	263.4	223.8
Postretirement benefits	105.5	91.0
Deferred taxes	56.8	71.5
Income taxes payable	41.3	34.9
Other	31.4	25.1
Other long-term liabilities, total	498.4	446.3
Depreciation	63.6	58.1	54.0
Software amortization	23.7	24.4	25.0
Interest paid	54.7	49.6	49.3
Income taxes paid	$ 103.3	$ 103.5	$ 83.2