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Accumulated Other Comprehensive Loss (Tables) | 3 Months Ended
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Apr. 30, 2020
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, 2020:
(in millions) | Net Unrealized Gains (Losses) on Derivative Instruments |  | Net Unrealized Gains (Losses) 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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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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