Schedule of Stock Compensation Plan Activity (Detail) - shares shares in Thousands |
12 Months Ended | ||
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Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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Share-based Compensation Arrangement by Share-based Payment Award | |||
Awarded | 1,681 | 1,870 | 2,110 |
Forfeited | (284) | (189) | (122) |
Outstanding at January 1 | 1,507 | 2,706 | 3,841 |
Granted | 132 | 89 | 213 |
Exercised | (518) | (1,248) | (1,220) |
Forfeited | (38) | (104) | |
Expired | (2) | (24) | |
Outstanding at December 31 | 1,121 | 1,507 | 2,706 |
Vested and expected to vest at December 31 | 1,121 | 1,507 | 2,694 |
Exercisable at December 31 | 779 | 1,089 | 1,814 |
Restricted Stock Units | |||
Share-based Compensation Arrangement by Share-based Payment Award | |||
Non-vested at January 1 | 4,352 | 4,636 | 4,970 |
Awarded | 1,681 | 1,870 | 2,110 |
Vested | (1,679) | (1,965) | (2,322) |
Forfeited | (284) | (189) | (122) |
Non-vested at December 31 | 4,070 | 4,352 | 4,636 |
X | ||||||||||
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- 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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X | ||||||||||
- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition Net number of share options (or share units) granted during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The number of exercisable share options (fully vested and expected to vest) that may be converted as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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X | ||||||||||
- Definition Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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