v2.4.0.8

Summary of Performance Based Restricted Stock Units (Detail) (USD $) In Thousands, except Share data, unless otherwise specified | 9 Months Ended |  |  |
--- | --- | --- | --- | ---
Sep. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Dec. 31, 2012
Performance-based units outstanding, Number of Units | 2,156,312 | [1] |  |  |
Performance-based units vested and deferred, Number of Units | 545,500 | [2] |  |  |
Performance-based units outstanding, Weighted Average Remaining Contractual Life (Years) | 1 year 2 months 9 days | [1] |  |  |
Performance-based units outstanding, Aggregate Intrinsic Value | $ 8,410 | [1] |  |  |
Performance-based units vested and expected to vest, Aggregate Intrinsic Value | 5,987 | [3] |  |  |
Performance-based units vested and deferred, Aggregate Intrinsic Value | 2,127 | [2] |  |  |
Performance Stock Units |  |  |  |  |
Performance-based units outstanding, Number of Units | 604,630 | [1] | 279,630 | 360,000 | 235,000
Performance-based units vested and expected to vest, Number of Units | 581,138 | [4] |  |  |
Performance-based units vested and deferred, Number of Units | 37,130 | [2] |  |  |
Performance-based units outstanding, Weighted Average Remaining Contractual Life (Years) | 1 year 4 months 24 days | [1] |  |  |
Performance-based units vested and expected to vest, Weighted Average Remaining Contractual Life (Years) | 1 year 4 months 13 days | [4] |  |  |
Performance-based units outstanding, Aggregate Intrinsic Value | 2,358 | [1] |  |  |
Performance-based units vested and expected to vest, Aggregate Intrinsic Value | 2,122 | [4] |  |  |
Performance-based units vested and deferred, Aggregate Intrinsic Value | $ 145 | [2] |  |  |
[1] | Total outstanding units include all unvested and vested but deferred shares which will be released to the employee upon separation from service.
[2] | Vested awards with deferral elections to be released to the employee upon separation from service.
[3] | Includes shares vested to-date and expected to vest shares which comprises of unvested shares net of expected forfeitures.
[4] | Includes shares vested to-date and expected to vest shares which is comprised of unvested shares net of expected forfeitures.

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- Definition Share-based Compensation Arrangements by Share-based Payment Award, Equity Instruments Other Than Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term + References No definition available. + Details
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- Definition Intrinsic value of equity-based compensation awards not vested. Excludes stock and unit options. + References No definition available. + Details
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- 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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