CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	May 31, 2014	May 31, 2013	May 31, 2014	May 31, 2013
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Net loss	$ (10,681)	$ (9,833)	$ (21,372)	$ (23,609)
Items that may be reclassified to Net loss:
Unrealized holding gains (losses) during period	(210)	(372)	109	(644)
Net unrealized gain (loss), net of $(44), $nil, $6 and $nil tax expense (recovery)	(210)	(372)	109	(644)
Foreign currency translation adjustments	8,375	(2,994)	(8,712)	(24,946)
Other comprehensive income (loss)	8,165	(3,366)	(8,603)	(25,590)
Comprehensive loss	$ (2,516)	$ (13,199)	$ (29,975)	$ (49,199)