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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Oct. 31, 2017 | Oct. 31, 2016 | Oct. 31, 2017 | Oct. 31, 2016
Statement of Comprehensive Income [Abstract] |  |  |  |
Net loss | $ (119.8) | $ (142.8) | $ (393.4) | $ (408.7)
Other comprehensive (loss) income, net of reclassifications: |  |  |  |
Net loss on derivative instruments (net of tax effect of $0.3, $0.2, $1.7 and ($0.6), respectively) | (2.4) | (0.7) | (15.4) | (11.7)
Change in net unrealized gain (loss) on available-for-sale securities (net of tax effect of ($0.4), $0.0, ($0.3), and ($0.6), respectively) | 0.2 | (1.6) | 0.4 | 1.8
Change in defined benefit pension items (net of tax effect of $0.0, $0.0, $0.0, and ($0.2), respectively) | 0.2 | 0.3 | 0.0 | 0.6
Net change in cumulative foreign currency translation (loss) gain (net of tax effect of $0.0, ($0.5), ($0.9) and ($0.5), respectively) | (0.6) | (55.7) | 38.0 | (57.1)
Total other comprehensive (loss) income | (2.6) | (57.7) | 23.0 | (66.4)
Total comprehensive loss | $ (122.4) | $ (200.5) | $ (370.4) | $ (475.1)

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