Stockholders' Equity - Narrative (Detail) - shares |
12 Months Ended | ||
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Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] | |||
| Shares of common stock, authorized (in shares) | 600,000,000.0 | 600,000,000 | |
| Common stock, shares, outstanding (in shares) | 189,461,000 | 180,175,000 | |
| Settlement of 2018 Notes conversion feature (in shares) | 1,300,000 | ||
| Preferred stock, shares authorized (in shares) | 10,000,000.0 | 10,000,000 | |
| Preferred stock, shares outstanding (in shares) | 0 | 0 | |
| Common Stock | |||
| Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] | |||
| Common stock issued under employee stock plans (in shares) | 5,003,000 | 5,899,000 | 7,386,000 |
| Settlement of 2018 Notes conversion feature (in shares) | (1,314,000) | ||
| 2018 Warrants | |||
| Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] | |||
| Number of shares to be issued upon exercise of the Warrants (in shares) | 4,300,000 | ||
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- Definition Shares Received From Note Hedge And Retired No definition available.
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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The number of shares issued during the period upon the conversion of units. An example of a convertible unit is an umbrella partnership real estate investment trust unit (UPREIT unit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Number of new stock issued during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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- Details
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