Employee Benefit And Retirement Plans (Components Of Defined Benefit Plans) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Feb. 29, 2012	Feb. 28, 2011
United States Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 4.4	$ 3.8
Interest costs	8.0	7.6
Expected return on plan assets	(9.5)	(8.5)
Recognized net actuarial loss	4.5	3.3
Total pension expense	7.4	6.2
International Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	1.7	1.5
Interest costs	3.1	3.1
Expected return on plan assets	(4.0)	(3.9)
Amortization of prior service costs	0.1	0.1
Recognized net actuarial loss	0.9	0.6
Total pension expense	$ 1.8	$ 1.4