NOTE 11. CHANGE IN OPERATING ASSETS AND LIABILITIES (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	May 31, 2014	May 31, 2013	May 31, 2014	May 31, 2013
Supplemental Cash Flow Elements [Abstract]
Decrease in receivables, deposits and prepaid amounts	$ 2,549	$ 249	$ 2,504	$ 394
Decrease in accounts payable and accrued liabilities	(113)	(587)	(1,435)	(2,751)
Net change in operating assets and liabilities (note 13)	$ 2,436	$ (338)	$ 1,069	$ (2,357)