Consolidated Statements of Changes in Equity (USD $) In Thousands		Total	Successor [Member]	Successor [Member] Common stock, par value $0.0001 per share [Member]	Successor [Member] Member's paid-in capital [Member]	Successor [Member] Additional paid-in capital [Member]	Successor [Member] Retained earnings [Member]	Successor [Member] Accumulated other comprehensive income (loss) [Member]		Successor [Member] Treasury stock, at cost [Member]	Successor [Member] Noncontrolling interests [Member]	Predecessor [Member]	Predecessor [Member] Common stock, par value $0.0001 per share [Member]	Predecessor [Member] Member's paid-in capital [Member]	Predecessor [Member] Additional paid-in capital [Member]	Predecessor [Member] Retained earnings [Member]	Predecessor [Member] Accumulated other comprehensive income (loss) [Member]		Predecessor [Member] Treasury stock, at cost [Member]	Predecessor [Member] Noncontrolling interests [Member]
Balance at Nov. 30, 2012																				$ 346,738
Balance at Nov. 30, 2012													20		2,219,959	1,281,855	(53,137)	[1],[2]	(12,682)
Benefit plan share activity	[3]														3,138
Contributions
Currency adjustment												(10,018)					(10,018)	[1],[2]
Purchases																			(166,541)
Issued													1
Share-based expense, net of forfeitures and clawbacks															22,288
Net earnings to Jefferies Group LLC/Common shareholders												80,138				80,138
Pension adjustment, net of tax	[1],[2]
Returns / forfeitures																			(1,922)
Proceeds from exercise of stock options															57
Dividends																(17,217)
Acquisitions and contingent consideration															2,535
Tax benefit (deficiency) for issuance of share-based awards															(17,965)
Dividend equivalents on share-based plans															1,418
Total equity												3,688,107
Net earnings attributable to noncontrolling interests												(10,704)								10,704
Contributions
Distributions												1,262								(1,262)
Redemptions
Consolidation (deconsolidation) of asset management entity
Balance at Feb. 28, 2013											356,180									356,180
Balance at Feb. 28, 2013					4,754,101				[1],[2]			3,331,927	21		2,231,430	1,344,776	(63,155)	[1],[2]	(181,145)
Benefit plan share activity	[3]
Contributions					362,255
Currency adjustment	[1],[2]							21,341
Purchases
Issued
Share-based expense, net of forfeitures and clawbacks
Net earnings to Jefferies Group LLC/Common shareholders					161,191
Pension adjustment, net of tax	[1],[2]							2,759
Returns / forfeitures
Proceeds from exercise of stock options
Dividends
Acquisitions and contingent consideration
Tax benefit (deficiency) for issuance of share-based awards					2,873
Dividend equivalents on share-based plans
Total equity			5,421,674
Net earnings attributable to noncontrolling interests											8,418
Contributions											100,210
Distributions											(25)
Redemptions											(347,629)
Consolidation (deconsolidation) of asset management entity
Balance at Nov. 30, 2013		117,154									117,154
Balance at Nov. 30, 2013			5,304,520		5,280,420			24,100	[1],[2]
Benefit plan share activity	[3]
Contributions
Currency adjustment			13,784					13,784	[1],[2]
Purchases
Issued
Share-based expense, net of forfeitures and clawbacks
Net earnings to Jefferies Group LLC/Common shareholders			112,432		112,432
Pension adjustment, net of tax	[1],[2]
Returns / forfeitures
Proceeds from exercise of stock options
Dividends
Acquisitions and contingent consideration
Tax benefit (deficiency) for issuance of share-based awards					943
Dividend equivalents on share-based plans
Total equity			5,462,087
Net earnings attributable to noncontrolling interests			(2,960)								2,960
Contributions											31,075
Distributions
Redemptions
Consolidation (deconsolidation) of asset management entity											(120,781)
Balance at Feb. 28, 2014		30,408									30,408
Balance at Feb. 28, 2014			$ 5,431,679		$ 5,393,795			$ 37,884	[1],[2]

[1] The components of other comprehensive income (loss) are attributable to Jefferies Group LLC (formerly Jefferies Group, Inc.). None of the components of other comprehensive income (loss) are attributable to noncontrolling interests.

[2] There were no reclassifications out of Accumulated other comprehensive loss during the nine months ended November 30, 2013.

[3] Includes grants related to the Incentive Plan, Deferred Compensation Plan and Directors' Plan.