Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Feb. 28, 2015		Feb. 28, 2014
Statement of Comprehensive Income [Abstract]
Net earnings	$ 12,553		$ 115,392
Other comprehensive income (loss), net of tax:
Currency translation adjustments	(4,331)		13,784
Total other comprehensive income (loss), net of tax	(4,331)	[1]	13,784	[1]
Comprehensive income	8,222		129,176
Net earnings attributable to noncontrolling interests	871		2,960
Comprehensive income attributable to Jefferies Group LLC	$ 7,351		$ 126,216

[1] None of the components of other comprehensive income (loss) are attributable to noncontrolling interests.