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v3.20.1

Interest and Other Expense, net (Details) - USD ($) $ in Millions | 12 Months Ended
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Jan. 31, 2020 | Jan. 31, 2019 | Jan. 31, 2018
Other Income and Expenses [Abstract] |  |  |
Interest and investment expense, net | $ (54.0) | $ (52.1) | $ (34.5)
Gain (loss) on foreign currency | 3.9 | 5.1 | (3.3)
(Loss) gain on strategic investments | (3.3) | 12.5 | (16.4)
Other income | 5.2 | 16.8 | 6.0
Interest and other expense, net | $ (48.2) | $ (17.7) | $ (48.2)

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- Definition (Loss) Gain on Strategic Investments + References No definition available. + Details
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- Definition Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109240200&loc=d3e30700-110894 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109240200&loc=d3e30690-110894 + Details
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