Fair Value Measurements (Assets And Liabilities Measured At Fair Value On Recurring Basis) (Details) (Fair Value, Measurements, Recurring [Member], USD $) In Millions, unless otherwise specified	Nov. 30, 2013	Nov. 30, 2012
Fair Value [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	$ 63.0	$ 79.0
Insurance contracts	90.1	72.5
Bonds and other long-term investments	13.3	13.6
Interest rate derivatives	12.2	16.7
Foreign currency derivatives	1.1	0.9
Total	179.7	182.7
Foreign currency derivatives	1.6	1.9
Interest rate derivatives		0.1
Total	1.6	2.0
Level 1 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	63.0	79.0
Insurance contracts	0	0
Bonds and other long-term investments	13.3	13.6
Interest rate derivatives	0	0
Foreign currency derivatives	0	0
Total	76.3	92.6
Foreign currency derivatives	0	0
Total	0	0
Level 2 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	0	0
Insurance contracts	90.1	72.5
Bonds and other long-term investments	0	0
Interest rate derivatives	12.2	16.7
Foreign currency derivatives	1.1	0.9
Total	103.4	90.1
Foreign currency derivatives	1.6	1.9
Interest rate derivatives		0.1
Total	1.6	2.0
Level 3 [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Cash and cash equivalents	0	0
Insurance contracts	0	0
Bonds and other long-term investments	0	0
Interest rate derivatives	0	0
Foreign currency derivatives	0	0
Total	0	0
Foreign currency derivatives	0	0
Total	$ 0	$ 0