Subsequent Event (Details) (Subsequent Event, USD $) In Millions, unless otherwise specified	6 Months Ended
	May 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Anticipated Cost, Subject to Change	$ 316.0
Restructuring and Related Cost, Cost Incurred to Date	15.0
Long-Lived Assets to be Abandoned, Carrying Value of Asset	50.0
Restructuring and Related Cost, Long-Lived Assets to be Abandoned, Period	26 months
Minimum
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	375.0
Maximum
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 400.0