Supplemental Financial Statement Data (Supplemental Income Statement, Balance Sheet And Cash Flow Information) (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Condensed Financial Statements, Captions [Line Items]
Other income, net	$ 26.7	$ 24.8	$ 6.1
Interest Income, Other	10.1	7.1	5.7
Other Income	(1.1)	5.5	(2.2)
Inventories
Finished products	413.3	406.1
Raw materials and work-in-process	387.9	380.2
Total inventories	801.2	786.3
Prepaid expenses	36.0	27.2
Other current assets	54.7	51.7
Total prepaid and other current asset	90.7	78.9
Property, Plant and Equipment, Net [Abstract]
Land and improvements	67.5	62.6
Buildings (including capital lease)	658.5	626.2
Machinery, equipment and other	1,007.8	947.5
Construction-in-progress	85.8	105.1
Accumulated depreciation	(867.0)	(799.9)
Property, plant and equipment, total	952.6	941.5
Other long-term assets
Investments in affiliates	186.0	167.2
Long-term investments	124.4	120.8
Capitalized Computer Software, Net	76.4	43.6
Software Accumulated Amortization	275.0	281.5
Other Assets	120.3	102.2
Investments and other assets, total	507.1	433.8
Other accrued liabilities
Payroll and employee benefits	184.9	176.5
Sales allowances	137.2	142.1
Other	287.0	329.6
Other accrued liabilities, total	609.1	648.2
Other Long-term Debt [Abstract]
Pension	226.9	123.1
Postretirement benefits	62.7	58.5
Unrecognized tax benefits	37.6	31.0
Other	100.4	100.5
Other long-term liabilities, total	427.6	313.1
Depreciation	113.6	104.8	85.2
Software amortization	13.7	14.0	14.5
Interest paid	169.8	179.8	72.1
Income taxes paid	137.2	154.6	155.6
Accounting Standards Update 2017-07 [Member]
Condensed Financial Statements, Captions [Line Items]
Other income, net	$ 17.7	$ 12.2	$ 2.6