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Accumulated Other Comprehensive Loss (Tables) | 3 Months Ended
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Apr. 30, 2021
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Loss, Net of Taxes | Accumulated other comprehensive loss, net of taxes, consisted of the following at April 30, 2021:
| Net Unrealized Gains (Losses) on Derivative Instruments |  | Net Unrealized Gains on Available-for-Sale Debt Securities |  | Defined Benefit Pension Components |  | Foreign Currency Translation Adjustments |  | Total
Balances, January 31, 2021 | $ | (24.1) |  |  | $ | 6.4 |  |  | $ | (21.3) |  |  | $ | (86.9) |  |  | $ | (125.9) |
Other comprehensive income before reclassifications | 7.8 |  |  | 4.0 |  |  | — |  |  | 11.9 |  |  | 23.7 |
Pre-tax losses reclassified from accumulated other comprehensive loss | 3.9 |  |  | — |  |  | 0.1 |  |  | — |  |  | 4.0 |
Tax effects | (1.7) |  |  | — |  |  | — |  |  | (1.8) |  |  | (3.5) |
Net current period other comprehensive income | 10.0 |  |  | 4.0 |  |  | 0.1 |  |  | 10.1 |  |  | 24.2 |
Balances, April 30, 2021 | $ | (14.1) |  |  | $ | 10.4 |  |  | $ | (21.2) |  |  | $ | (76.8) |  |  | $ | (101.7) |
Accumulated other comprehensive loss, net of taxes, consisted of the following at April 30, 2020:
| Net Unrealized Gains (Losses) on Derivative Instruments |  | Net Unrealized Gains on Available-for-Sale Debt Securities |  | Defined Benefit Pension Components |  | Foreign Currency Translation Adjustments |  | Total
Balances, January 31, 2020 | $ | 8.4 |  |  | $ | 4.7 |  |  | $ | (22.8) |  |  | $ | (150.6) |  |  | $ | (160.3) |
Other comprehensive income (loss) before reclassifications | 5.6 |  |  | 0.2 |  |  | — |  |  | (22.9) |  |  | (17.1) |
Pre-tax (gains) losses reclassified from accumulated other comprehensive loss | (1.2) |  |  | 0.1 |  |  | (0.3) |  |  | — |  |  | (1.4) |
Tax effects | (0.4) |  |  | 0.1 |  |  | — |  |  | — |  |  | (0.3) |
Net current period other comprehensive income (loss) | 4.0 |  |  | 0.4 |  |  | (0.3) |  |  | (22.9) |  |  | (18.8) |
Balances, April 30, 2020 | $ | 12.4 |  |  | $ | 5.1 |  |  | $ | (23.1) |  |  | $ | (173.5) |  |  | $ | (179.1) |

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