Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Detail)
In Thousands, 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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Earnings Per Share [Abstract] | ||||
Weighted average shares used in basic computations | 81,927 | 102,200 | 87,754 | 103,096 |
Dilutive effect of exercise of equity grants outstanding | 4,274 | 5,577 | 4,865 | 4,663 |
Weighted average shares used in diluted computations | 86,201 | 107,777 | 92,619 | 107,759 |