Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended		3 Months Ended
	May 31, 2014 Successor [Member]		May 31, 2013 Successor [Member]		May 31, 2014 Successor [Member]		Feb. 28, 2013 Predecessor [Member]
Net earnings	$ 61,814		$ 40,246		$ 177,206		$ 90,842
Other comprehensive income (loss), net of tax:
Currency translation adjustments	2,859		(11,466)		16,643		(10,018)
Total other comprehensive income (loss), net of tax	2,859	[1]	(11,466)	[1]	16,643	[1]	(10,018)	[1]
Comprehensive income:	64,673		28,780		193,849		80,824
Net earnings attributable to noncontrolling interests	488		738		3,448		10,704
Comprehensive income attributable to Jefferies Group LLC/ common stockholders	$ 64,185		$ 28,042		$ 190,401		$ 70,120

[1] No other comprehensive income (loss) is attributable to noncontrolling interests.