Goodwill and Other Intangible Assets - Schedule of Goodwill Resulting from Leucadia Transaction Attributable to Reportable Segments (Detail) $ in Thousands |
6 Months Ended |
|---|---|
|
May 31, 2016
USD ($)
| |
| Goodwill [Roll Forward] | |
| Goodwill, Beginning Balance | $ 1,656,588 |
| Translation adjustments | (3,321) |
| Goodwill, Ending Balance | 1,653,267 |
| Capital Markets [Member] | |
| Goodwill [Roll Forward] | |
| Goodwill, Beginning Balance | 1,653,588 |
| Goodwill, Ending Balance | 1,650,267 |
| Asset Management Income [Member] | |
| Goodwill [Roll Forward] | |
| Goodwill, Beginning Balance | 3,000 |
| Goodwill, Ending Balance | $ 3,000 |