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Financial Instruments (Reconciliation of the Change in Level 3 Items) (Details) - Level 3 $ in Millions | 9 Months Ended
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Oct. 31, 2019 USD ($)
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
Balances, January 31, 2019 | $ 5.2
Impairments | (1.0)
Settlements | (3.5)
(Loss) gain included in earnings | 0.0
Loss included in OCI | (0.1)
Balances, October 31, 2019 | 0.6
Derivative Contracts |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
Balances, January 31, 2019 | 0.8
Impairments | 0.0
Settlements | 0.0
(Loss) gain included in earnings | (0.2)
Loss included in OCI | 0.0
Balances, October 31, 2019 | 0.6
Convertible Debt Securities |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |
Balances, January 31, 2019 | 4.4
Impairments | (1.0)
Settlements | (3.5)
(Loss) gain included in earnings | 0.2
Loss included in OCI | (0.1)
Balances, October 31, 2019 | $ 0.0

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
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