Special Charges Special Charges (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2011
Special Charges [Line Items]
Special charges	$ 25.0	$ 0	$ 0
Total plan expenses [Member]
Special Charges [Line Items]
Special charges	27.0
2013 Special Charges [Member]
Special Charges [Line Items]
Special charges	25.0
2014 Expected Special Charges [Member]
Special Charges [Line Items]
Special charges	2.0
2013 Consumer Special Charges [Member]
Special Charges [Line Items]
Special charges	22.2
2013 Industrial Special Charges [Member]
Special Charges [Line Items]
Special charges	2.8
Employee Severance Charges [Member]
Special Charges [Line Items]
Special charges	15.9
Asset Impairment [Member]
Special Charges [Line Items]
Special charges	6.4
Other exit costs [Member]
Special Charges [Line Items]
Special charges	2.7
Cash Expenditures [Member]
Special Charges [Line Items]
Special charges	18.0
Annual Cost Savings [Member]
Special Charges [Line Items]
Special charges	$ 10.0