Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands		12 Months Ended
		Nov. 30, 2017		Nov. 30, 2016		Nov. 30, 2015
Statement of Comprehensive Income [Abstract]
Net earnings		$ 357,584		$ 15,406		$ 95,329
Other comprehensive income (loss), net of tax:
Currency translation and other adjustments		53,396		(115,494)		(27,157)
Changes in instrument specific credit risk		(21,394)	[1]	(6,494)	[1]	0
Cash flow hedges		(936)	[2]	0		0
Minimum pension liability adjustments	[3]	312		(1,223)		(3,116)
Total other comprehensive income (loss), net of tax	[4]	31,378		(123,211)		(30,273)
Comprehensive income (loss)		388,962		(107,805)		65,056
Net earnings (loss) attributable to noncontrolling interests		86		(28)		1,795
Comprehensive income (loss) attributable to Jefferies Group LLC		$ 388,876		$ (107,777)		$ 63,261

[1] Includes income tax benefit of approximately $13.2 million and $4.3 million for the years ended November 30, 2017 and 2016, respectively.

[2] Includes income tax benefit of approximately $0.6 million for the year ended November 30, 2017.

[3] Includes income tax benefit of approximately $0.1 million, $0.3 million and $4.2 million for the years ended November 30, 2017, 2016 and 2015, respectively.

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