Schedule I (PARENT COMPANY ONLY) (CONDENSED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME) (Details) - Parent Company [Member] - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Feb. 28, 2013	Nov. 30, 2013	Nov. 30, 2015	Nov. 30, 2014
Successor [Member]
Revenues:
Principal transactions		$ 13,171	$ 68,720	$ 46,416
Asset management fees and investment income (loss) from managed funds		13,239	(20,889)	(7,452)
Interest		138,720	201,632	194,568
Other		53,778	33,193	81,511
Total revenues		218,908	282,656	315,043
Interest expense		186,338	250,919	251,020
Net revenues		32,570	31,737	64,023
Non-interest expenses:
Total non-interest expenses		17,196	5,984	9,263
Earnings (loss) before income taxes		15,374	25,753	54,760
Income tax expense (benefit)		7,934	3,958	22,650
Net earnings (loss) before undistributed earnings of subsidiaries		7,440	21,795	32,110
Undistributed earnings of subsidiaries		153,751	71,739	125,450
Net earnings		161,191	93,534	157,560
Other comprehensive income (loss), net of tax:
Currency translation and other adjustments		21,341	(27,157)	(30,995)
Minimum pension liability adjustments, net of tax		2,759	(3,116)	(7,778)
Total other comprehensive income (loss), net of tax		24,100	(30,273)	(38,773)
Comprehensive income		$ 185,291	$ 63,261	$ 118,787
Predecessor [Member]
Revenues:
Principal transactions	$ 6,330
Asset management fees and investment income (loss) from managed funds	879
Interest	47,831
Other	19,162
Total revenues	74,202
Interest expense	84,105
Net revenues	(9,903)
Non-interest expenses:
Total non-interest expenses	4,192
Earnings (loss) before income taxes	(14,095)
Income tax expense (benefit)	(4,915)
Net earnings (loss) before undistributed earnings of subsidiaries	(9,180)
Undistributed earnings of subsidiaries	89,318
Net earnings	80,138
Other comprehensive income (loss), net of tax:
Currency translation and other adjustments	(10,018)
Minimum pension liability adjustments, net of tax	0
Total other comprehensive income (loss), net of tax	(10,018)
Comprehensive income	$ 70,120