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Non-Operating Income (Expense) (Tables) | 12 Months Ended
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Nov. 30, 2018
Other Income and Expenses [Abstract] |
Non-Operating Income (Expense) | Non-operating income (expense) for fiscal 2018, 2017 and 2016 included the following (in thousands):
| 2018 |  | 2017 |  | 2016
Interest and other income (expense), net: |  |  |  |  |
Interest income | $ | 92,540 |  |  | $ | 66,069 |  |  | $ | 47,340 |
Foreign exchange gains (losses) | (42,612 | ) |  | (30,705 | ) |  | (35,716 | )
Realized gains on fixed income investment | 655 |  |  | 1,673 |  |  | 2,880 |
Realized losses on fixed income investment | (11,305 | ) |  | (725 | ) |  | (985 | )
Other | 258 |  |  | 83 |  |  | 29 |
Interest and other income (expense), net | $ | 39,536 |  |  | $ | 36,395 |  |  | $ | 13,548 |
Interest expense | $ | (89,242 | ) |  | $ | (74,402 | ) |  | $ | (70,442 | )
Investment gains (losses), net: |  |  |  |  |  |
Realized investment gains | $ | 6,128 |  |  | $ | 3,279 |  |  | $ | 4,964 |
Unrealized investment gains | — |  |  | 4,274 |  |  | 186 |
Realized investment losses | — |  |  | — |  |  | (6,720 | )
Unrealized investment losses | (2,915 | ) |  | — |  |  | — |
Investment gains (losses), net | $ | 3,213 |  |  | $ | 7,553 |  |  | $ | (1,570 | )
Non-operating income (expense), net | $ | (46,493 | ) |  | $ | (30,454 | ) |  | $ | (58,464 | )

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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