Fair Value Disclosures - Level 3 Rollforwards (Details) - USD ($) $ in Thousands |
3 Months Ended |
9 Months Ended |
Aug. 31, 2026 |
Aug. 31, 2025 |
Aug. 31, 2026 |
Aug. 31, 2025 |
| Assets: |
|
|
|
|
| Total gains/(losses) (realized and unrealized) |
$ (18,700)
|
$ 30,000
|
$ (52,400)
|
$ 25,100
|
| Liabilities: |
|
|
|
|
| Total gains/(losses) (realized and unrealized) |
$ 41,900
|
$ 65,500
|
$ 8,600
|
$ 6,400
|
| Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Revenues
|
Revenues
|
Revenues
|
Revenues
|
| Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] |
Revenues
|
Revenues
|
Revenues
|
Revenues
|
| Corporate equity securities |
|
|
|
|
| Assets: |
|
|
|
|
| Beginning balance |
$ 255,866
|
$ 231,160
|
$ 218,853
|
$ 239,364
|
| Total gains/(losses) (realized and unrealized) |
(9,752)
|
21,824
|
8,953
|
31,303
|
| Purchases |
2,764
|
20,785
|
27,447
|
28,748
|
| Sales |
(375)
|
(1,487)
|
(6,684)
|
(8,940)
|
| Settlements |
0
|
(788)
|
(103)
|
494
|
| Issuances |
0
|
0
|
0
|
0
|
| Net transfers into/ (out of) Level 3 |
(5,114)
|
815
|
(5,077)
|
(18,660)
|
| Ending balance |
243,389
|
272,309
|
243,389
|
272,309
|
| Changes in unrealized gains/(losses) included in earnings for instruments still held |
(9,729)
|
21,916
|
9,088
|
29,840
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
0
|
0
|
0
|
0
|
| Liabilities: |
|
|
|
|
| Beginning balance |
169
|
161
|
155
|
208
|
| Total gains/(losses) (realized and unrealized) |
(234)
|
(312)
|
(3,074)
|
(864)
|
| Purchases |
0
|
(1)
|
(500)
|
(72,161)
|
| Sales |
0
|
426
|
0
|
73,148
|
| Settlements |
0
|
0
|
0
|
0
|
| Issuances |
0
|
0
|
0
|
0
|
| Net transfers into/ (out of) Level 3 |
305
|
522
|
3,659
|
465
|
| Ending balance |
240
|
796
|
240
|
796
|
| Changes in unrealized gains/ (losses) included in earnings for instruments still held |
76
|
309
|
3,430
|
999
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
0
|
0
|
0
|
0
|
| Corporate debt securities |
|
|
|
|
| Assets: |
|
|
|
|
| Beginning balance |
54,811
|
44,682
|
37,578
|
24,931
|
| Total gains/(losses) (realized and unrealized) |
1,520
|
872
|
2,686
|
2,385
|
| Purchases |
10,578
|
1,221
|
32,482
|
12,455
|
| Sales |
(548)
|
(788)
|
(282)
|
(1,168)
|
| Settlements |
(440)
|
0
|
(1,501)
|
(2,197)
|
| Issuances |
0
|
0
|
0
|
0
|
| Net transfers into/ (out of) Level 3 |
(96)
|
(11,607)
|
(5,138)
|
(2,026)
|
| Ending balance |
65,825
|
34,380
|
65,825
|
34,380
|
| Changes in unrealized gains/(losses) included in earnings for instruments still held |
1,738
|
860
|
1,640
|
1,472
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
0
|
0
|
0
|
0
|
| Liabilities: |
|
|
|
|
| Beginning balance |
571
|
644
|
3,720
|
165
|
| Total gains/(losses) (realized and unrealized) |
96
|
126
|
374
|
60
|
| Purchases |
0
|
(119)
|
(1,373)
|
(280)
|
| Sales |
0
|
0
|
0
|
351
|
| Settlements |
0
|
(270)
|
0
|
192
|
| Issuances |
0
|
0
|
0
|
0
|
| Net transfers into/ (out of) Level 3 |
(16)
|
107
|
(2,070)
|
0
|
| Ending balance |
651
|
488
|
651
|
488
|
| Changes in unrealized gains/ (losses) included in earnings for instruments still held |
(96)
|
(117)
|
(339)
|
(90)
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
0
|
0
|
0
|
0
|
| CDOs and CLOs |
|
|
|
|
| Assets: |
|
|
|
|
| Beginning balance |
62,546
|
70,948
|
40,187
|
63,976
|
| Total gains/(losses) (realized and unrealized) |
(3,446)
|
(3,654)
|
(15,862)
|
(14,474)
|
| Purchases |
40,119
|
20,718
|
116,957
|
69,479
|
| Sales |
(7,263)
|
(17,731)
|
(28,426)
|
(39,811)
|
| Settlements |
0
|
(3,463)
|
(23)
|
(10,013)
|
| Issuances |
0
|
0
|
0
|
0
|
| Net transfers into/ (out of) Level 3 |
208
|
(14,509)
|
(20,669)
|
(16,848)
|
| Ending balance |
92,164
|
52,309
|
92,164
|
52,309
|
| Changes in unrealized gains/(losses) included in earnings for instruments still held |
(1,705)
|
(4,188)
|
(10,243)
|
(15,237)
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
0
|
0
|
0
|
0
|
| Sovereign obligations |
|
|
|
|
| Assets: |
|
|
|
|
| Beginning balance |
|
|
|
172
|
| Total gains/(losses) (realized and unrealized) |
|
|
|
2
|
| Purchases |
|
|
|
0
|
| Sales |
|
|
|
(174)
|
| Settlements |
|
|
|
0
|
| Issuances |
|
|
|
0
|
| Net transfers into/ (out of) Level 3 |
|
|
|
0
|
| Ending balance |
|
0
|
|
0
|
| Changes in unrealized gains/(losses) included in earnings for instruments still held |
|
|
|
0
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
|
|
|
0
|
| RMBS |
|
|
|
|
| Assets: |
|
|
|
|
| Beginning balance |
5,376
|
7,947
|
6,663
|
7,714
|
| Total gains/(losses) (realized and unrealized) |
(283)
|
46
|
(800)
|
315
|
| Purchases |
0
|
0
|
0
|
0
|
| Sales |
0
|
0
|
0
|
0
|
| Settlements |
(414)
|
(15)
|
(1,184)
|
(51)
|
| Issuances |
0
|
0
|
0
|
0
|
| Net transfers into/ (out of) Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
4,679
|
7,978
|
4,679
|
7,978
|
| Changes in unrealized gains/(losses) included in earnings for instruments still held |
(378)
|
50
|
(1,269)
|
331
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
0
|
0
|
0
|
0
|
| CMBS |
|
|
|
|
| Assets: |
|
|
|
|
| Beginning balance |
235
|
505
|
348
|
477
|
| Total gains/(losses) (realized and unrealized) |
2
|
1
|
(96)
|
29
|
| Purchases |
0
|
0
|
0
|
0
|
| Sales |
0
|
0
|
0
|
0
|
| Settlements |
0
|
0
|
0
|
0
|
| Issuances |
0
|
0
|
0
|
0
|
| Net transfers into/ (out of) Level 3 |
0
|
0
|
(15)
|
0
|
| Ending balance |
237
|
506
|
237
|
506
|
| Changes in unrealized gains/(losses) included in earnings for instruments still held |
2
|
1
|
(96)
|
29
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
0
|
0
|
0
|
0
|
| Liabilities: |
|
|
|
|
| Beginning balance |
|
1,153
|
|
1,153
|
| Total gains/(losses) (realized and unrealized) |
|
0
|
|
0
|
| Purchases |
|
0
|
|
0
|
| Sales |
|
35
|
|
105
|
| Settlements |
|
0
|
|
0
|
| Issuances |
|
0
|
|
0
|
| Net transfers into/ (out of) Level 3 |
|
0
|
|
(70)
|
| Ending balance |
|
1,188
|
|
1,188
|
| Changes in unrealized gains/ (losses) included in earnings for instruments still held |
|
0
|
|
0
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
|
0
|
|
0
|
| Other ABS |
|
|
|
|
| Assets: |
|
|
|
|
| Beginning balance |
190,089
|
153,681
|
133,001
|
103,214
|
| Total gains/(losses) (realized and unrealized) |
(14,482)
|
(2,589)
|
(82,710)
|
(2,792)
|
| Purchases |
25,567
|
23,586
|
165,628
|
60,151
|
| Sales |
(588)
|
(1,579)
|
(35,758)
|
(31,920)
|
| Settlements |
(34,867)
|
(2,888)
|
(45,205)
|
(8,089)
|
| Issuances |
0
|
0
|
0
|
0
|
| Net transfers into/ (out of) Level 3 |
(10,763)
|
(44,036)
|
20,000
|
5,611
|
| Ending balance |
154,956
|
126,175
|
154,956
|
126,175
|
| Changes in unrealized gains/(losses) included in earnings for instruments still held |
(9,577)
|
(732)
|
(79,314)
|
(1,256)
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
0
|
0
|
0
|
0
|
| Loans and other receivables |
|
|
|
|
| Assets: |
|
|
|
|
| Beginning balance |
90,322
|
92,168
|
127,720
|
152,586
|
| Total gains/(losses) (realized and unrealized) |
1,043
|
3,213
|
25,149
|
(8,455)
|
| Purchases |
79,664
|
65,988
|
126,248
|
213,419
|
| Sales |
(61,237)
|
(44,566)
|
(109,704)
|
(196,921)
|
| Settlements |
(19,765)
|
(16,129)
|
(28,554)
|
(38,621)
|
| Issuances |
0
|
0
|
0
|
0
|
| Net transfers into/ (out of) Level 3 |
8,294
|
39,248
|
(42,538)
|
17,914
|
| Ending balance |
98,321
|
139,922
|
98,321
|
139,922
|
| Changes in unrealized gains/(losses) included in earnings for instruments still held |
21,387
|
4,862
|
26,928
|
10,777
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
0
|
0
|
0
|
0
|
| Investments at fair value |
|
|
|
|
| Assets: |
|
|
|
|
| Beginning balance |
171,368
|
153,379
|
163,107
|
137,865
|
| Total gains/(losses) (realized and unrealized) |
6,744
|
10,308
|
10,281
|
16,742
|
| Purchases |
0
|
1,000
|
9,475
|
22,549
|
| Sales |
(267)
|
(2,446)
|
(976)
|
(2,446)
|
| Settlements |
(40,337)
|
(741)
|
(44,379)
|
(3,210)
|
| Issuances |
0
|
0
|
0
|
0
|
| Net transfers into/ (out of) Level 3 |
74,400
|
0
|
74,400
|
(10,000)
|
| Ending balance |
211,908
|
161,500
|
211,908
|
161,500
|
| Changes in unrealized gains/(losses) included in earnings for instruments still held |
4,946
|
9,502
|
8,006
|
13,540
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
0
|
0
|
0
|
0
|
| Loans |
|
|
|
|
| Liabilities: |
|
|
|
|
| Beginning balance |
1,352
|
313
|
9,757
|
16,864
|
| Total gains/(losses) (realized and unrealized) |
207
|
1,691
|
(1,009)
|
(14,097)
|
| Purchases |
(345)
|
0
|
(697)
|
(875)
|
| Sales |
0
|
0
|
725
|
74
|
| Settlements |
0
|
0
|
0
|
0
|
| Issuances |
0
|
0
|
0
|
0
|
| Net transfers into/ (out of) Level 3 |
49
|
(38)
|
(7,513)
|
0
|
| Ending balance |
1,263
|
1,966
|
1,263
|
1,966
|
| Changes in unrealized gains/ (losses) included in earnings for instruments still held |
(504)
|
(1,101)
|
(1,207)
|
(1,790)
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
0
|
0
|
0
|
0
|
| Net derivatives |
|
|
|
|
| Liabilities: |
|
|
|
|
| Beginning balance |
13,541
|
33,288
|
35,642
|
22,286
|
| Total gains/(losses) (realized and unrealized) |
59,419
|
9,477
|
56,151
|
(11,263)
|
| Purchases |
0
|
(533)
|
(4,630)
|
(533)
|
| Sales |
0
|
719
|
0
|
23,307
|
| Settlements |
(81,176)
|
(748)
|
(64,970)
|
(1,166)
|
| Issuances |
1,835
|
0
|
10,019
|
0
|
| Net transfers into/ (out of) Level 3 |
5,849
|
(5,307)
|
(32,744)
|
4,265
|
| Ending balance |
(532)
|
36,896
|
(532)
|
36,896
|
| Changes in unrealized gains/ (losses) included in earnings for instruments still held |
22,715
|
(9,313)
|
8,808
|
2,447
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
0
|
0
|
0
|
0
|
| Other secured financings |
|
|
|
|
| Assets: |
|
|
|
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
|
0
|
|
|
| Liabilities: |
|
|
|
|
| Beginning balance |
10,076
|
18,876
|
13,454
|
14,884
|
| Total gains/(losses) (realized and unrealized) |
1,895
|
143
|
1,535
|
346
|
| Purchases |
(120)
|
0
|
0
|
0
|
| Sales |
0
|
0
|
0
|
0
|
| Settlements |
(1,133)
|
(2,905)
|
(4,271)
|
(7,647)
|
| Issuances |
0
|
0
|
0
|
8,531
|
| Net transfers into/ (out of) Level 3 |
0
|
0
|
0
|
0
|
| Ending balance |
10,718
|
16,114
|
10,718
|
16,114
|
| Changes in unrealized gains/ (losses) included in earnings for instruments still held |
(1,967)
|
(255)
|
(1,932)
|
(1,366)
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
0
|
|
0
|
0
|
| Long-term debt |
|
|
|
|
| Liabilities: |
|
|
|
|
| Beginning balance |
1,070,114
|
991,156
|
1,063,358
|
821,903
|
| Total gains/(losses) (realized and unrealized) |
(19,476)
|
54,332
|
(45,425)
|
32,255
|
| Purchases |
0
|
0
|
0
|
0
|
| Sales |
0
|
0
|
0
|
0
|
| Settlements |
(20,479)
|
(2,050)
|
(44,174)
|
(4,849)
|
| Issuances |
28,231
|
29,155
|
64,312
|
247,279
|
| Net transfers into/ (out of) Level 3 |
(37,087)
|
(1,429)
|
(16,768)
|
(25,424)
|
| Ending balance |
1,021,303
|
1,071,164
|
1,021,303
|
1,071,164
|
| Changes in unrealized gains/ (losses) included in earnings for instruments still held |
27,097
|
(7,342)
|
31,833
|
(28,330)
|
| Changes in unrealized gains/ (losses) included in other comprehensive income for instruments still held |
$ (4,324)
|
$ (44,940)
|
$ 16,887
|
$ (3,925)
|