Pensions and Postretirement Benefits Textuals (Details) (USD $)	12 Months Ended
	Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2012
Defined Benefit Plan, Contributions by Employer	$ 12,484,000	$ 12,280,000
Defined Benefit Plan, Estimated Future Employer Contributions in Next Fiscal Year	3,000,000
Amount to bring funding deficit current			57,000,000
Estimate of 2012 pension cost			8,000,000
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan, Contributions by Employer	$ 10,000,000	$ 10,000,000	$ 65,000,000