Schedule of Weighted Average Stock Options Exercise Price (Detail) |
12 Months Ended |
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Dec. 31, 2016
$ / shares
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Share-based Compensation Arrangement by Share-based Payment Award | |
Outstanding at January 1 | $ 10.21 |
Options granted | 19.43 |
Options exercised | 9.06 |
Options expired | 3.07 |
Outstanding at December 31 | 11.93 |
Exercisable at December 31 | $ 8.32 |
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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 weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available.
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. No definition available.
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available.
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