Net number of common shares issued upon conversion of preferred stocks.

No definition available.

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- Definition

Number of common shares received from capped call upon conversion of preferred stocks.

+ References

No definition available.

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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.

+ References

No definition available.

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- Definition

The number of new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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- Definition

Specific terms relevant to convertibility. Includes class of preferred stock and number of shares convertible into, exercise (or conversion) price or rates, dates relevant to conversion timing and events relevant to conversion. Describe also any beneficial conversion features. where convertible preferred stock with a nondetachable conversion feature is in-the-money at commitment date. For contingently convertible preferred stock, discuss the circumstances of the contingency, including the events or changes in circumstance that would cause the contingency to be met and any of the significant features necessary to understand the conversion rights and the timing of those rights. Include also an events or changes in circumstance, if any, that could adjust or change the contingency, conversion price, or number of shares, including significant terms of those changes.

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- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

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Preferred Stock Conversion - Additional Information (Detail) - shares shares in Millions		3 Months Ended	12 Months Ended
	Jan. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Class Of Stock [Line Items]
Series A, cumulative mandatory convertible preferred stock - dividend rate		8.00%	8.00%
Series A Mandatory Convertible Preferred Stock
Class Of Stock [Line Items]
Common stock issuance following preferred stock conversion	12.5
Series A, cumulative mandatory convertible preferred stock - dividend rate	8.00%
Number of common shares received from capped call upon conversion of preferred stocks	0.9
Net number of common shares issued upon conversion of preferred stocks	11.6
Convertible preferred stock conversion in to common stock converted shares		21.822