Derivative Financial Instruments (Tables)

3 Months Ended

Jan. 31, 2018

Derivative Financial Instruments Disclosure Table [Abstract]

Summary of the fair value of other derivative instruments not designated for hedge accounting

	January 31, 2018			October 31, 2017
	Number of Contracts		Notional Value (in millions)	Number of Contracts		Notional Value (in millions)
Stock index futures contracts	1,287	$	119.1	1,470	$	118.1
Total return swap contracts	6	$	106.5	2	$	50.2
Foreign exchange contracts	38	$	30.9	31	$	28.1
Commodity futures contracts	178	$	9.2	213	$	10.2
Currency futures contracts	127	$	14.3	131	$	14.5
Interest rate futures contracts	141	$	28.8	134	$	25.6

	January 31, 2018				October 31, 2017
(in thousands)		Other Assets		Other Liabilities		Other Assets		Other Liabilities
Stock index futures contracts	$	308	$	7,731	$	330	$	3,021
Total return swap contracts		-		1,195		-		570
Foreign exchange contracts		222		1,075		650		60
Commodity futures contracts		66		88		63		120
Currency futures contracts		274		498		327		178
Interest rate futures contracts		277		182		48		226
Total	$	1,147	$	10,769	$	1,418	$	4,175

	Three Months Ended
	January 31,
(in thousands)		2018		2017
Stock index futures contracts	$	(7,656)	$	(5,933)
Total return swap contracts		(625)		(964)
Foreign exchange contracts		(899)		(27)
Commodity futures contracts		(403)		-
Interest rate futures contracts		84		-
Currency futures contracts		(86)		-
Net realized gains (losses)	$	(9,585)	$	(6,924)