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Interest and Other Expense, net (Tables) | 12 Months Ended
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Jan. 31, 2017
Interest and Other Income, net [Abstract] |
Interest and Other (Expense) Income, net | Interest and other expense, net, consists of the following:
| Fiscal Year Ended January 31,
| 2017 |  | 2016 |  | 2015
Interest and investment expense, net | $ | (29.7 | ) |  | $ | (33.9 | ) |  | $ | (13.2 | )
Loss on foreign currency | (3.3 | ) |  | — |  |  | (3.9 | )
Gain (loss) on strategic investments | 0.3 |  |  | 3.8 |  |  | (23.3 | )
Other income | 8.5 |  |  | 8.5 |  |  | 2.7 |
Interest and other expense, net | $ | (24.2 | ) |  | $ | (21.6 | ) |  | $ | (37.7 | )

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