Pension and Other Postretirement Plans (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended					3 Months Ended		6 Months Ended
	May 31, 2014	May 31, 2014	Nov. 30, 2013	May 31, 2014 U.S. Qualified Plans [Member]	May 31, 2014 U.S. Combined Nonqualified Plans [Member]	May 31, 2014 Non-U.S. Plan [Member]	May 31, 2014 Postretirement Healthcare Benefit Plan [Member]	Jun. 01, 2013 Postretirement Healthcare Benefit Plan [Member]	May 31, 2014 Postretirement Healthcare Benefit Plan [Member]	Jun. 01, 2013 Postretirement Healthcare Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Total expected contributions	$ 687	$ 687		$ 0	$ 216	$ 409	$ 62		$ 62
Cash contributions	78	159					16	18	32	36
Restricted trust, included in Other noncurrent assets	$ 953	$ 953	$ 1,024