Financial Instruments (Fair Values Of Derivative Instruments) (Details) - USD ($) $ in Millions	1 Months Ended
	Mar. 31, 2006	Nov. 30, 2016	Nov. 30, 2015
Derivatives, Fair Value [Line Items]
Fair Value of Asset Derivatives		$ 4.9	$ 5.9
Fair Value of Liability Derivatives		6.6	1.3
Interest Rate Swap [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount	$ 100.0	$ 100.0
Derivative, Fixed Interest Rate	5.20%	3.25%
Derivative Instrument Basis Spread Reduction On Variable Rate	0.05%
Derivative instruments fair value hedge	$ 100.0
Foreign Exchange Contracts [Member]
Derivatives, Fair Value [Line Items]
Derivative, Notional Amount		$ 189.4
Foreign Exchange Contracts [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Notional Amount		204.3	179.5
Foreign Currency Fair Value Hedge Derivative at Fair Value, Net		4.9	3.4
Foreign Exchange Contracts [Member] | Other Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Total notional amount of interest rate swap contracts		244.9	85.0
Foreign Currency Fair Value Hedge Derivative at Fair Value, Net		5.4	0.7
Interest Rate Contracts [Member] | Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset, Notional Amount		0.0	100.0
Fair Value of Interest rate contracts		0.0	2.5
Interest Rate Contracts [Member] | Other Accrued Liabilities [Member]
Derivatives, Fair Value [Line Items]
Total notional amount of interest rate swap contracts		100.0	100.0
Interest rate derivatives		$ 1.2	$ 0.6
5.20% Medium-Term Notes Due 2015 [Member]
Derivatives, Fair Value [Line Items]
Medium-term Notes, Noncurrent	$ 200.0
Stated Note interest rate	5.20%