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Schedule of Anti-dilutive Securities Excluded from Computation of Earnings Per Share (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | 9 Months Ended | ||||||||||
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Sep. 30, 2014
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Sep. 30, 2013
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Sep. 30, 2014
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Sep. 30, 2013
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Options
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| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||||||||||
| Weighted-average excluded shares | 8,202 | [1] | 653 | [2] | 8,464 | [1] | 1,880 | [2] | ||||
| Weighted-average exercise price | $ 5.25 | [1] | $ 6.16 | [2] | $ 5.25 | [1] | $ 6.01 | [2] | ||||
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Restricted Stock Units and Performance Stock Units
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| Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] | ||||||||||||
| Weighted-average excluded shares | 1,650 | [1] | 103 | [2] | 1,324 | [1] | 119 | [2] | ||||
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