Debt - Schedule of Conversion of Senior Notes to Common Stock (Detail) - Convertible Debt - 0.25% Convertible Senior Notes due April 1, 2018 |
9 Months Ended |
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Oct. 31, 2017
$ / shares
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Debt Instrument [Line Items] | |
Conversion Rate per $1,000 Par Value | 0.0150512 |
Initial Conversion Price per Share | $ 66.44 |
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- Definition The price per share of the conversion feature embedded in the debt instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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