Supplemental Guarantor Information (Narrative) (Details)	12 Months Ended
	Nov. 30, 2013
Debt Instrument [Line Items]
Ownership share in guarantor subsidiaries	100.00%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, significant subsidiary threshold, percent	5.00%
Line of credit facility, non guarantor subsidiary threshold, percent	10.00%